CN219218596U - Automatic counting filling tool after pavement core drilling sampling - Google Patents

Abstract

The utility model relates to an automatic counting filling tool after pavement drill core sampling, relates to highway pavement engineering technical field, in order to solve the problem that the number of times of hammering of manual measurement can appear leaking, it includes dead lever and compaction hammer, the one end fixedly connected with compaction head of dead lever, the compaction hammer cover is established outside the dead lever to can follow the dead lever axis and remove; the lifting mechanism is used for driving the compaction hammer to move along the axial direction of the fixed rod; and the counting assembly is used for recording the number of unidirectional movement of the compaction hammer. This application can accurately show hammering times to can be with the even closely knit effect of filler.

Description

Automatic counting filling tool after pavement core drilling sampling

Technical Field

The application relates to the technical field of highway pavement engineering, in particular to an automatic counting filling tool after pavement drill core sampling.

Background

According to the method for testing the compactness of the pavement by using a drilling core of T0924-2008 in JTG3450-2019 on-site test procedure of highway subgrade and pavement, the drilling core sampling method is a direct, effective and accurate method, but has defects and shortcomings, and is mainly characterized in the treatment of holes after sampling.

The national highway subgrade and road surface on-site test regulation (JTG 3450-2019) prescribes that the holes after the road surface drill cores are sampled are filled with the filling materials and then are compacted by only a small hammer, the uniform compaction degree of the holes cannot be ensured, the filling method is not specified in detail, a special filling tool is not required in the regulation, and the filling material quantity is difficult to grasp.

When hammering the filler in the hole, guarantee the compactness that coring position filled through the drop hammer number of times of compaction hammer, the quantity of filler calculates the quantity of backfill material according to the degree of depth, diameter and the biggest dry density of backfill material of hole (generally calls the material weight according to theoretical weight 1.03) and guarantees compaction can one shot forming, avoids secondary feeding, causes the bonding problem between layers.

According to the depth and the diameter of the filled material and the holes, the weight of the compaction hammer, the hammering height and the hammering times are determined, and because the hammering times are usually hundreds of times, manual counting also needs to be highly concentrated by counting staff, so that constructors are tired, the hammering times are too few or too many, and the uniform compactness of the mixture is influenced.

Disclosure of Invention

In order to solve the condition that the number of times of hammering of manual measurement can appear leaking, in order to compaction hammer's drop number of times is more accurate, this application provides an automatic counting filling instrument after the road surface core drill sample.

The application provides an automatic counting filling instrument after road surface core drill sample adopts following technical scheme:

the automatic counting filling tool after pavement drill core sampling comprises a fixed rod, wherein one end of the fixed rod is fixedly connected with a compaction head;

the compaction hammer is sleeved outside the fixed rod and can move along the axis of the fixed rod;

the lifting mechanism is used for driving the compaction hammer to move along the axial direction of the fixed rod;

and the counting assembly is used for recording the number of unidirectional movement of the compaction hammer.

Through adopting above-mentioned technical scheme, put into the packing material in the hole with the compaction head to use lifting mechanism to promote the compaction hammer to fixed height, let the compaction hammer free fall again, produce the impact to the compaction head, make the compaction head produce impact force to the packing material, realize the compactness of packing material. The counting assembly can record the unidirectional movement times of the compaction hammer, so that the hammering times are more accurate, and the problem that filling materials are not uniformly compacted and secondary feeding is needed due to deviation of the hammering times is solved.

Preferably, the lifting mechanism comprises a pulley rotatably connected to the fixed rod, the pulley is positioned at one end of the fixed rod far away from the compaction head, the compaction hammer is connected with a traction rope, and the traction rope is wound on the pulley;

the lifting mechanism comprises a driving assembly, the driving assembly is connected with one end of the traction rope, which is far away from the compaction hammer, and the driving assembly is used for pulling one end of the traction rope, which is far away from the compaction hammer.

Through adopting above-mentioned technical scheme, the pulley can reduce the required effort of pulling compaction hammer, carries the compaction hammer through drive assembly and draws, can alleviate constructor's work burden.

Preferably, the driving assembly comprises a winding drum and a driving source for driving the winding drum to rotate, and one end of the traction rope far away from the compaction hammer is fixed on the winding drum and wound on the winding drum.

Through adopting above-mentioned technical scheme, drive assembly drive reel rotates, and the reel carries out the rolling with the haulage rope to can promote the compaction hammer to fixed height, alleviate constructor's manual work and carry the work burden of hammer.

Preferably, a positioning assembly is arranged on the fixed rod and used for limiting the moving distance of the compaction hammer.

Through adopting above-mentioned technical scheme, locating component can restrict the hammering height of compaction hammer, has guaranteed that the effort of hammering at every turn is the same.

Preferably, the positioning assembly comprises a first positioning ring and a second positioning ring, the first positioning ring is fixedly connected to a fixing rod close to one end of the compaction head, the second positioning ring is located on one side, far away from the compaction head, of the first positioning ring and is slidably arranged on the fixing rod, and a locking piece for locking the second positioning ring and the fixing rod is arranged on the second positioning ring.

Through adopting above-mentioned technical scheme, according to the hammering height who obtains, slide the second holding ring on the dead lever for the distance between first holding ring and the second holding ring is equal with hammering height, and is fixed with second holding ring and dead lever with the locking piece. When lifting the compaction hammer, the first positioning ring limits the lifting height of the compaction hammer, so that the falling height of the compaction hammer is equal to the hammering height, the problem that different hammering forces are generated due to different hammering heights is solved, the equality of the acting force of hammering each time is guaranteed, and the applicability of the device can be enhanced by adjusting the position of the second positioning ring.

Preferably, the locking piece is a hoop, the hoop comprises two fixed semi-rings which are connected in a rotating way, one fixed semi-ring is fixedly connected with the second positioning ring, one end of the hoop, which is far away from the rotating end of the hoop, is connected with a propping plate, two propping plates are provided with fasteners, and the fasteners are used for fixing the two fixed semi-rings and enabling the fixed semi-rings to prop against the fastening fixed rod.

Through adopting above-mentioned technical scheme, the fixed semi-ring of staple bolt is fixed with the second holding ring, and the fastener will support the board locking for the staple bolt is fastened the dead lever, thereby fixes the second holding ring on the dead lever.

Preferably, the two abutting plates are provided with corresponding through holes, the fastening piece is a screw, and one end of the screw penetrates through the two through holes and is in threaded connection with a nut.

Through adopting above-mentioned technical scheme, the cooperation of screw rod and nut enables the more recently of two butt boards laminating, and screw rod and nut quick detachable, the position of the second holding ring of being convenient for adjusts.

Preferably, the counting assembly comprises a counting display plate and an inductor which are electrically connected, wherein the counting display plate is arranged on the fixed rod, the inductor is arranged on the second positioning ring, and the inductor is used for measuring the passing times of the compaction hammer.

Through adopting above-mentioned technical scheme, when compaction hammer and second holding ring butt, the inductor passes through the transmission line with the butt number of times of compaction hammer and second holding ring to technical display board on to reduced the produced error of manual counting, made hammering number of times more accurate.

Preferably, the second positioning ring is provided with a ring groove, the inductor is fixed on the bottom wall of the ring groove, and a plunger which can be abutted with the inductor is connected in a sliding manner in the ring groove.

Through adopting above-mentioned technical scheme, when the bottom surface butt of compaction hammer and second holding ring, the compaction hammer compresses the plunger to the annular in for plunger and inductor butt, the inductor transmits the butt number of times of plunger and inductor to the count display panel on, makes constructor be convenient for observe the hammering number of times.

Preferably, the compacting device further comprises a sleeve, and the compacting head slides in the sleeve.

Through adopting above-mentioned technical scheme, in hammering in-process, the packing material can be separated partly the packing material and splash outside the sleeve on the clothing or the road surface of constructor at the pressurized in-process, the sleeve can reduce the waste of packing material not only, can also reduce constructor's clothing by the possibility of packing material adhesion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the counting assembly can measure the hammering times of the compaction hammer, so that the hammering times are more accurate, and the problem that the filling material is not uniformly compacted and secondary feeding is carried out due to deviation of the hammering times is solved;

2. the first positioning ring limits the lifting height of the compaction hammer, so that the falling height of the compaction hammer is equal to the hammering height, the problem that different hammering forces are generated due to different hammering heights is solved, the equal acting force of each hammering is ensured, and the applicability of the device is also enhanced;

3. the sleeve can prevent part of the filler from splashing out of the sleeve, so that the waste of the filler can be reduced, and the possibility that clothes of constructors are adhered by the filler can be reduced.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a positioning assembly according to an embodiment of the present application;

FIG. 3 is a schematic view of a display stand according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a counting assembly according to an embodiment of the present application;

fig. 5 is an exploded view of a counting assembly according to an embodiment of the present application.

Reference numerals illustrate: 1. a fixed rod; 11. a compacting hammer; 12. a compacting head; 2. a positioning assembly; 21. a first positioning ring; 22. a second positioning ring; 23. a locking member; 231. a hoop; 232. an abutting plate; 24. a fastener; 241. a screw; 242. a nut; 3. a lifting mechanism; 31. a pulley; 32. a traction rope; 4. a counting assembly; 41. a count display panel; 42. an inductor; 43. a transmission line; 5. a drive assembly; 51. a reel; 52. a driving source; 6. a bracket; 61. a cross bar; 62. a vertical rod; 63. a connecting rod; 7. a ring groove; 71. a plunger; 8. a sleeve.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an automatic counting filling tool after pavement drill core sampling. Referring to fig. 1 and 2, the fixing device comprises a fixing rod 1, a positioning assembly 2 and a lifting mechanism 3. The fixed rod 1 is sleeved with a compaction hammer 11, the compaction hammer 11 can vertically move on the fixed rod 1, and the end part of the fixed rod 1 is connected with a compaction head 12.

Referring to fig. 1 and 2, the positioning assembly 2 includes a first positioning ring 21 and a second positioning ring 22, the fixing rod 1 passes through the centers of the first positioning ring 21 and the second positioning ring 22, the first positioning ring 21 is located near one end of the compacting head 12 and is fixedly connected to the fixing rod 1, the second positioning ring 22 is located above the first positioning ring 21 and is slidably connected to the fixing rod 1, a locking piece 23 for fixing the second positioning ring 22 and the fixing rod 1 is provided on the second positioning ring 22, and the compacting hammer 11 is located on the fixing rod 1 between the first positioning ring 21 and the second positioning ring 22.

Referring to fig. 1, a sleeve 8 is placed on the road surface at the opening of the hole, and the sleeve 8 surrounds the hole. The weight of the compaction hammer 11, the height of the fall of the compaction hammer 11 and the number of hammering times are determined according to the depth and diameter of the hole and the material filled in the hole.

The compaction head 12 is placed on the filling material in the hole, the compaction hammer 11 is lifted to be abutted with the bottom surface of the second positioning ring 22, the compaction hammer 11 is loosened to fall on the first positioning ring 21, the position of the second positioning ring 22 is moved according to the falling height of the compaction hammer 11 and is fixed by the locking piece 23, and the distance between the first positioning ring 21 and the second positioning ring 22 is equal to the sum of the falling distance required by the falling hammer and the falling hammer height. The compaction hammer 11 is moved into abutment with the second positioning ring 22 and the compaction hammer 11 is released so that the compaction hammer 11 falls down and hammers the first positioning ring 21, so that the compaction head 12 hammers the filler.

The above operation is repeated until the specified hammering times are reached, so that the compactness of the filling material is improved, part of the filling material is splashed onto clothes of constructors or road surfaces in the hammering process, the sleeve 8 can prevent part of the filling material from splashing out of the sleeve 8, the waste of the filling material can be reduced, and the possibility that the clothes of constructors are adhered by the filling material can be reduced.

Referring to fig. 2, in the present embodiment, the locking member 23 is a hoop 231, and in other embodiments, the locking member 23 may be a screw or the like that abuts the fixing lever 1 with the second positioning ring 22. The anchor ear 231 comprises two anchor ring halves which are connected in a rotating way, one anchor ring half is fixedly connected with the second positioning ring 22, one ends of the two anchor ring halves, which are far away from the hinged ends, are connected with abutting plates 232, and corresponding through holes are formed in the two abutting plates 232. The two abutting plates 232 are provided with locking pieces 23, the locking pieces 23 are threaded rods 241, and the threaded rods 241 penetrate through the through holes of the two abutting plates 232 and are in threaded connection with nuts 242. The screw 241 is fixed, and the nut 242 is screwed until the nut 242 and the abutment plate 232 are abutted, thereby fixing the anchor ear 231 and the second positioning ring 22 to the fixing lever 1.

Referring to fig. 1 and 3, the lifting mechanism 3 includes a pulley 31 and a traction rope 32 wound on the pulley 31, the pulley 31 is rotatably connected to one end of the fixing rod 1 far away from the compacting head 12, the pulley 31 is detachably connected with the fixing rod 1, a rotating groove is formed in one end of the fixing rod 1 far away from the compacting head 12, the pulley 31 is located in the rotating groove, a rotating shaft penetrating through the center of the pulley 31 is arranged on the side wall of the rotating groove in a penetrating mode, and column heads are plugged at two ends of the rotating shaft. The compaction hammer 11 is connected with the support 6, the support 6 includes two horizontal poles 61, and the lateral wall of compaction hammer 11 is inserted respectively to the one end of two horizontal poles 61 and can rotate, corresponds respectively to be connected with montant 62 on two horizontal poles 61, and montant 62 sets up with horizontal pole 61 is perpendicular, and two montants 62 are connected with same connecting rod 63 perpendicularly, and the one end of haulage rope 32 is connected on connecting rod 63.

Referring to fig. 1, a driving assembly 5 is disposed at one end of the traction rope 32 far away from the connecting rod 63, the driving assembly 5 includes a winding drum 51 and a driving source 52 for driving the winding drum 51 to rotate, the traction rope 32 is wound around and fixed on the winding drum 51, the driving source 52 is a motor, and a rotating shaft of the motor is fixedly connected with an axis of the winding drum 51.

When the driving source 52 rotates, the traction rope 32 is wound on the winding drum 51, so that the pulley 31 rotates and lifts the compaction hammer 11 until the compaction hammer 11 abuts against the second positioning ring 22, the driving source 52 stops driving, and at the moment, the compaction hammer 11 falls under the action of gravity, so that the traction rope 32 is unwound on the winding drum 51 until the compaction hammer 11 falls onto the first positioning ring 21. Lifting the compaction hammer 11 by the driving source 52 can reduce the workload of the constructor.

Referring to fig. 4 and 5, a counting assembly 4 is provided on the fixing rod 1, the counting assembly 4 includes a counting display plate 41 and an inductor 42, a screw rod is provided on the counting display plate 41 in a penetrating manner, the screw rod is abutted on the fixing rod 1, and a transmission line 43 is connected between the counting display plate 41 and the inductor 42. The bottom surface of the second positioning ring 22 is provided with a ring groove 7, an inductor 42 is arranged on the bottom wall of the ring groove 7, and a transmission line 43 penetrates through the bottom wall of the ring groove 7 to be connected with a counting display plate 41.

A plunger 71 is arranged in the ring groove 7, one end of the plunger 71 is connected with a spring, the spring is fixedly connected with the bottom wall of the ring groove 7, and the plunger 71 extends out of the ring groove 7 towards the compaction hammer 11.

When the compaction hammer 11 is abutted with the bottom surface of the second positioning ring 22, the plunger 71 compresses the spring to retract into the annular groove 7, so that the plunger 71 is abutted with the sensor 42, the contact times of the plunger 71 and the sensor 42 can be transmitted to the counting display plate 41 through the sensor 42, the hammering times of the position can be measured, the falling times of the compaction hammer 11 are more accurate, the condition that the times are disordered is difficult to occur, the workload of constructors is reduced, and the uniform compactness of the mixture can be improved.

The implementation principle of the automatic counting filling tool after sampling of the pavement drill core in the embodiment of the application is as follows: the sleeve 8 is placed on the road surface at the opening of the hole, and the weight of the compaction hammer 11, the falling height of the compaction hammer 11 and the hammering times are determined according to the depth and the diameter of the hole and the material filled in the hole. The compaction hammer 11 is sleeved on the fixed rod 1 until falling onto the first positioning ring 21, the second positioning ring 22 is sleeved on the fixed rod 1, the position of the second positioning ring 22 is adjusted according to the falling height of the compaction hammer 11 and fixed by the locking piece 23, the distance between the first positioning ring 21 and the second positioning ring 22 is equal to the height of the compaction hammer 11 under the pressing of the falling height, the counting assembly 4 is installed, and finally the pulley 31 and the driving assembly 5 are installed.

The compaction head 12 is placed on the filling material in the hole, the driving source 52 is started to enable the winding drum 51 to rotate, and the traction rope 32 is wound when the winding drum 51 rotates, so that the compaction hammer 11 slides on the fixed rod 1 until the compaction hammer 11 abuts against the bottom surface of the second positioning ring 22. When the compaction hammer 11 abuts against the bottom surface of the second positioning ring 22, the plunger 71 is retracted into the ring groove 7, so that the plunger 71 abuts against the sensor 42, and the number of times of contact between the plunger 71 and the sensor 42 is displayed on the count display panel 41 by the sensor 42.

The drive source 52 stops, the compaction hammer 11 falls under the action of gravity until the compaction hammer 11 falls on the first positioning ring 21, so that the compaction head 12 hammers the filler to compact the filler. Repeating the above operation until the number of times of abutting the compaction hammer 11 against the second positioning ring 22 reaches the requirement of hammering times, and finally detaching the pulley 31, the counting assembly 4 and the second positioning ring 22, taking out the compaction hammer 11, and completing the backfilling work.

The count display panel 41 can display the hammering times of the compaction hammer 11, and reduces errors generated by manual counting, so that the filling material can achieve a compaction effect.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides an automatic count filling instrument after road surface core drill sample, its characterized in that includes dead lever (1), the one end fixedly connected with compaction head (12) of dead lever (1), still includes:

the compaction hammer (11) is sleeved outside the fixed rod (1) and can move along the axis of the fixed rod (1);

the lifting mechanism (3) is used for driving the compaction hammer (11) to move along the axial direction of the fixed rod (1);

and the counting assembly (4) is used for recording the number of unidirectional movement of the compaction hammer (11).

2. The automatic counting filling tool after pavement drill core sampling according to claim 1, wherein the lifting mechanism (3) comprises a pulley (31) rotatably connected to the fixed rod (1), the pulley (31) is positioned at one end of the fixed rod (1) far away from the compaction head (12), the compaction hammer (11) is connected with a traction rope (32), and the traction rope (32) is wound on the pulley (31);

the lifting mechanism (3) comprises a driving assembly (5), and the driving assembly (5) is used for pulling one end of the traction rope (32) away from the compaction hammer (11).

3. The automatic counting and filling tool after sampling the pavement drill core according to claim 2, wherein the driving assembly (5) comprises a winding drum (51) and a driving source (52) for driving the winding drum (51) to rotate, and one end of the haulage rope (32) far away from the compaction hammer (11) is fixed and wound on the winding drum (51).

4. The automatic counting filling tool after pavement drill core sampling according to claim 1, wherein a positioning component (2) is arranged on the fixed rod (1), and the positioning component (2) is used for limiting the moving distance of the compaction hammer (11).

5. The automatic counting filling tool after sampling of a pavement drill core according to claim 4, wherein the positioning assembly (2) comprises a first positioning ring (21) and a second positioning ring (22), the first positioning ring (21) is fixedly connected to a fixing rod (1) close to one end of the compaction head (12), the second positioning ring (22) is located at one side, far away from the compaction head (12), of the first positioning ring (21) and is slidably arranged on the fixing rod (1), and a locking piece (23) for locking the second positioning ring (22) and the fixing rod (1) is arranged on the second positioning ring (22).

6. The automatic counting filling tool after sampling of a pavement drill core according to claim 5, wherein the locking piece (23) is a hoop (231), the hoop (231) comprises two fixed semi-rings connected in a rotating way, one fixed semi-ring is fixedly connected with the second positioning ring (22), one end, far away from the rotating end of the hoop (231), of each hoop is connected with an abutting plate (232), two abutting plates (232) are provided with fasteners (24), and the fasteners (24) are used for fixing the two fixed semi-rings and enabling the fixed semi-rings to abut against the fixed rod (1).

7. The automatic counting filling tool after pavement drill core sampling according to claim 6, wherein two abutting plates (232) are provided with corresponding through holes, the fastening piece (24) is a screw rod (241), and one end of the screw rod (241) penetrates through the two through holes and is in threaded connection with a nut (242).

8. The automatic counting and filling tool after sampling of a pavement drill core according to claim 5, characterized in that the counting assembly (4) comprises a counting display plate (41) and an inductor (42) which are electrically connected, the counting display plate (41) is arranged on the fixed rod (1), the inductor (42) is arranged on the second positioning ring (22), and the inductor (42) is used for metering the passing times of the compaction hammer (11).

9. The automatic counting filling tool after sampling of the pavement drill core according to claim 8, wherein the second positioning ring (22) is provided with a ring groove (7), the sensor (42) is fixed on the bottom wall of the ring groove (7), and a plunger (71) capable of being abutted with the sensor (42) is connected in a sliding manner in the ring groove (7).

10. The automatic counting filling tool after sampling of pavement cores according to claim 1, further comprising a sleeve (8), said compaction head (12) sliding inside said sleeve (8).

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