CN211061323U

CN211061323U - Pavement material strength detector

Info

Publication number: CN211061323U
Application number: CN201921328832.0U
Authority: CN
Inventors: 赖永波
Original assignee: Beijing China Railway Chengye Engineering Construction Supervision Co Ltd
Current assignee: Beijing China Railway Chengye Engineering Construction Supervision Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-21
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a pavement material intensity detector, including the test bench, be fixed in the test bench and be used for placing the bearing plate of treating the pressure sample, be fixed in two pillars of test bench working face, be fixed in the crossbeam of bearing plate top and be fixed in the crossbeam and be located the flexible detection device that is used for detection pressure directly over the bearing plate through two pillars, the test bench is provided with the blocking device who is used for blockking the sample piece, blocking device includes detachable baffle subassembly, the baffle subassembly encloses the periphery side of establishing at bearing plate and flexible detection device. The utility model discloses can reduce the road surface material detector in the testing process, the piece that splashes causes the possibility of injury to the staff.

Description

Pavement material strength detector

Technical Field

The utility model belongs to the technical field of the technique that intensity detected and specifically relates to a pavement material intensity detector is related to.

Background

The tester for testing the strength of pavement material is a multifunctional tester for testing the roadbed and pavement material of highway, and can be used for testing the compressive strength, bending strength, splitting, Marshall stability and the like of pavement materials such as asphalt mixture and the like.

At present, chinese patent with publication number CN204924794U discloses a pavement material strength tester, including base, reducing gear box, stand and crossbeam etc, install briquetting down on the base, the lower extreme of crossbeam is provided with the briquetting, install pressure sensor on the last briquetting, place pavement material's test block on briquetting down, start this strength tester for go up the briquetting and carry out the load to the test block down simultaneously with the briquetting down, when the test block breaks, in time record the maximum load when destroying, be the biggest bearing strength who is this test block promptly.

The above prior art solutions have the following drawbacks: during testing, the pressure born by the detected object is large, the detected object is cracked after the pressure reaches the strength which is hard to bear by the detected object, the cracked fragments are easy to splash due to the impact force generated by cracking, and the equipment does not block the splashed fragments, so that the operator is easy to be injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pavement material intensity detector reduces pavement material detector in the testing process, and the piece that splashes causes the possibility of injury to the staff.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides a pavement material intensity detector, includes the test bench, be fixed in the test bench and be used for placing the bearing plate of treating the pressure sample, be fixed in two pillars of test bench working face, be fixed in the crossbeam of bearing plate top and be fixed in the crossbeam and be located the flexible detection device who is used for the testing pressure directly over the bearing plate through two pillars, the test bench is provided with the blocking device who is used for blockking the sample piece, blocking device includes detachable baffle subassembly, baffle subassembly encloses the periphery side of establishing at bearing plate and flexible detection device.

Through adopting above-mentioned technical scheme, set up the baffle subassembly, the baffle subassembly encloses the periphery side of establishing at pressure-bearing dish and flexible detection device, and the sample piece that splashes after the breakage will be blocked by the baffle subassembly to reduce the possibility that the sample piece caused the injury to operating personnel.

The utility model discloses further set up to: the baffle plate assembly comprises two first baffle plates and two second baffle plates, the first baffle plates and the second baffle plates are oppositely arranged, the first baffle plates and the second baffle plates are detachably connected into a square frame, and the first baffle plates which are oppositely arranged extend towards one side of the pressure bearing disc respectively to form a bearing plate for bearing sample fragments.

By adopting the technical scheme, the two first baffles and the two second baffles form a square-frame-shaped blocking assembly in a surrounding manner, and the blocking assembly blocks sample fragments; in addition, the bearing plate is arranged below the first baffle and can bear sample fragments, and damage of the sample fragments to an instrument is reduced.

The utility model discloses further set up to: the first baffle slides and is arranged on the test bed, the second baffle comprises a fixed plate and a movable plate which are connected in a sliding mode and used for adjusting the length of the second baffle, and the two opposite baffles are arranged between the bearing plates and can be detachably connected with a telescopic plate with adjustable length.

Through adopting above-mentioned technical scheme, when waiting to press the length of sample different, the distance of two first baffles is adjusted to two slidable first baffles, adjusts the length of second baffle and expansion plate simultaneously to the sample is pressed to waiting of the different length of adaptation.

The utility model discloses further set up to: the test bench is provided with a slide rail, the slide rail slides in the slide rail, the slide block is provided with the spacing subassembly with the slide block spacing in the slide rail.

Through adopting above-mentioned technical scheme, set up spacing subassembly, can carry on spacingly to the sliding seat to after preventing to adjust the relative distance of two first baffles, two first baffles continue to slide along the slide rail.

The utility model discloses further set up to: the limiting assembly comprises a limiting rod, the limiting rod is connected with the sliding seat in a sliding mode, a plurality of limiting grooves matched with the limiting rod are formed in one inner side wall of the sliding rail along the length direction of the sliding rail, a sliding way for the limiting rod to slide is formed in one side, provided with the limiting groove, of the sliding rail, one end, far away from the limiting groove, of the limiting rod penetrates through the sliding rail and extends to the outside of the sliding rail.

Through adopting above-mentioned technical scheme, peg graft the gag lever post in the spacing inslot through the gag lever post that slides to the realization is spacing to the sliding seat.

The utility model discloses further set up to: the sliding seat is provided with the storage tank that the notch set up towards the spacing groove, the gag lever post passes the inside and the sliding seat sliding connection of storage tank, is located gag lever post cover in the storage tank is equipped with the elastic component, the one end of elastic component is fixed in the storage tank and for one side of notch, other end fixedly connected with clamping ring, the gag lever post is located to the clamping ring cover.

Through adopting above-mentioned technical scheme, when adjusting the position of sliding seat, the pulling gag lever post makes the gag lever post break away from the spacing groove, and the clamping ring compression elastic component this moment makes the elastic component be in compression state, then slides the sliding seat along sliding along the slide rail, treats that the sliding seat slides to suitable position after, loosens the gag lever post, resumes under the effort of self deformation at the elastic component, and the gag lever post gets into the spacing inslot automatically.

The utility model discloses further set up to: the notch of the containing groove is provided with a baffle ring, the baffle ring is matched with the notch, and when the sliding seat is limited, the limiting rod penetrates through the baffle ring to enter the limiting groove.

Through adopting above-mentioned technical scheme, set up and keep off the ring, keep off the ring and can provide the guide effect for the gag lever post, make the gag lever post accuracy get into the spacing inslot.

The utility model discloses further set up to: the limiting rod extending out of the sliding rail is provided with a pushing handle.

Through adopting above-mentioned technical scheme, set up and push away the handle, be convenient for pull out the spacing groove with the gag lever post.

To sum up, the utility model discloses a beneficial technological effect does:

1. The device comprises a pressure bearing disc, a telescopic detection device, a baffle plate assembly, a pressure bearing disc, a baffle plate assembly and a control device, wherein the baffle plate assembly comprises two first baffle plates and two second baffle plates, the two first baffle plates and the two second baffle plates are arranged on the outer peripheral sides of the pressure bearing disc and the telescopic detection device in a surrounding manner, and sample fragments splashed after crushing are blocked by the baffle plate assembly, so that the possibility of injury of the sample fragments;

2. The second baffle comprises a fixed plate and a movable plate which are connected in a sliding manner and used for adjusting the length of the second baffle, a telescopic plate with adjustable length is detachably connected between the two oppositely arranged bearing plates, when the lengths of the samples to be pressed are different, the two first baffles can be slid, the distance between the two first baffles is adjusted, and the lengths of the second baffle and the telescopic plate are adjusted simultaneously to adapt to the samples to be pressed with different lengths;

3. The sliding seat is provided with a limiting assembly, and can limit the sliding seat so as to prevent the two first baffles from continuing to slide along the sliding rail after the relative distance between the two first baffles is adjusted.

Drawings

Fig. 1 is a schematic partial structure diagram of the pavement material strength detector of the present embodiment.

Fig. 2 is a schematic view of the overall structure of the pavement strength detector of the present embodiment.

Fig. 3 is a partial exploded view of the blocking device of the present embodiment.

Fig. 4 is a sectional view of the spacing assembly of the present embodiment.

In the figure, 1, test stand; 11. a slide rail; 111. a limiting groove; 112. a slideway; 2. a pillar; 3. a cross beam; 4. a telescoping detection device; 5. a pressure bearing disc; 6. a baffle assembly; 61. a first baffle plate; 62. a second baffle; 621. a fixing plate; 622. a movable plate; 623. an observation window; 7. a carrier plate; 71. a sliding seat; 711. a containing groove; 8. a retractable plate; 9. a limiting component; 91. a limiting rod; 911. a push handle; 92. an elastic member; 93. pressing a ring; 10. and (4) a baffle ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to disclose the utility model, the working surface of the test bed 1 is provided with two pillars 2 at opposite sides, the two pillars 2 are fixed with the beam 3 through bolts, the beam 3 is fixedly connected with a telescopic detection device 4 for detecting pressure through a screw towards the test bed 1, a pressure bearing disc 5 for placing a sample to be pressed is arranged under the telescopic detection device 4, and the pressure bearing disc 5 is fixed on the test bed 1; in addition, a blocking device for blocking sample fragments is arranged on the test bed 1.

Referring to fig. 2 and 3, the blocking means includes a barrier assembly 6 provided around the outer circumferential sides of the pressure bearing disk 5 and the telescoping detection device 4. The baffle plate assembly 6 comprises two oppositely arranged first baffle plates 61 and two oppositely arranged second baffle plates 62, the first baffle plates 61 and the second baffle plates 62 are detachably fixed into a square frame through screws, and the square frame surrounds the pressure bearing disc 5 and the telescopic detection device 4, so that the sample fragments are blocked. In addition, in order to reduce the damage of the sample fragments to the detection instrument, the first baffles 61 which are arranged oppositely extend towards one side of the pressure bearing disc 5 to form a bearing plate 7 for bearing the sample fragments, the bearing plate 7 is perpendicular to the first baffles 61, and the bearing plate 7 and the first baffles 61 are integrally formed.

Referring to fig. 1 and 3, in order to adapt to samples to be pressed with different lengths, a first baffle 61 arranged oppositely is connected with the test bed 1 in a sliding manner. The test bed 1 is provided with slide rails 11 on two sides of the pressure bearing disc 5 along the length direction of the cross beam 3, one side of the bearing plate 7 facing the slide rails 11 is provided with a sliding seat 71 matched with the slide rails 11, and the sliding seat 71 is located in the slide rails 11 and is connected with the slide rails 11 in a sliding manner. Meanwhile, to accommodate the two first barriers 61 whose distance is changed, the second barrier 62 includes a fixed plate 621 and a movable plate 622 slidably connected for adjusting the length of the second barrier 62. In this embodiment, two movable plates 622 are disposed and respectively slidably disposed on two opposite sides of the fixed plate 621, and after the length of the second baffle 62 is adjusted, the two movable plates 622 are fixed on the fixed plate 621 by screws. In addition, the bottom of the two opposite bearing plates 7 is connected with the telescopic plate 8 with adjustable length, the telescopic plate 8 is arranged, the length of the telescopic plate 8 can be adjusted according to the distance between the two first baffles 61, the possibility of falling of the time gap between the two opposite bearing plates 7 of the sample fragments is reduced, and the damage of the sample fragments to the instrument is reduced. When the length of the blocking assembly needs to be adjusted, the sliding seat 71 is used for adjusting the relative distance between the two first baffles 61 according to the length of a sample to be pressed, then the length of the expansion plate 8 connected between the two bearing plates 7 is adjusted, the expansion plate 8 is fixed on the two bearing plates 7 through screws, and finally the length of the two second baffles 62 is adjusted, and the second baffles 62 are fixed with the first baffles 61 and the bearing plates 7 through screws. In addition, in order to facilitate the operator to observe the condition of the sample to be pressed and the pressure data, the second baffle 62 facing the operator of the apparatus is provided with an observation window 623 at the fixing plate 621, and the observation window 623 is made of a transparent material.

Referring to fig. 1 and 4, a plurality of limiting grooves 111 are uniformly formed in one inner side wall of the slide rail 11, and the limiting grooves 111 are formed along the length direction of the slide rail 11. After the relative distance between the two first baffles 61 is adjusted, in order to prevent the two first baffles 61 from continuing to slide along the slide rail 11, the sliding seat 71 is provided with a limiting component 9 for limiting the sliding seat 71 in the slide rail 11. The limiting assembly 9 comprises a limiting rod 91 which is connected with the sliding seat 71 in a sliding manner and is matched with the limiting groove 111, wherein one end, far away from the limiting groove 111, of the limiting rod 91 penetrates through the sliding rail 11 and extends to the outside of the sliding rail 11, one side, opposite to the limiting groove 111, of the sliding rail 11 is provided with a sliding rail 112 for the limiting rod 91 to slide, the limiting rod 91 is inserted into the limiting groove 111 through the sliding limiting rod 91, and therefore limiting of the sliding seat 71 is achieved. In addition, the end of the limiting rod 91 outside the sliding rail 11 is connected with a push handle 911, which has the effect of facilitating the pulling of the limiting rod 91 out of the limiting groove 111.

Referring to fig. 4, the sliding seat 71 is provided with an accommodating groove 711 whose notch faces one side of the limiting groove 111, the limiting rod 91 penetrates through the accommodating groove 711 and is slidably connected with the sliding seat 71, the limiting rod 91 located in the accommodating groove 711 is sleeved with an elastic member 92, one end of the elastic member 92 is fixed on one side of the accommodating groove 711 opposite to the notch, and the other end of the elastic member 92 is fixedly connected with a pressing ring 93, wherein the pressing ring 93 is sleeved on the limiting rod 91 and is slidably connected with the limiting rod 91. When the position of the sliding seat 71 is adjusted, the limiting rod 91 is pulled to separate the limiting rod 91 from the limiting groove 111, the pressing ring 93 compresses the elastic piece 92 at the moment, the elastic piece 92 is in a compression state, then the sliding seat 71 slides along the sliding rail 11, after the sliding seat 71 slides to a proper position, the limiting rod 91 is loosened, and under the action force of the elastic piece 92 restoring the self deformation, the limiting rod 91 automatically enters the limiting groove 111. In this embodiment, the elastic member 92 is a spring. In addition, the notch of the accommodating groove 711 is provided with a stop ring 10 adapted to the notch, and the limiting rod 91 passes through the inner ring of the stop ring 10 and is clamped with the limiting groove 111. The diameter of the inner ring of the baffle ring 10 is equal to or slightly larger than the diameter of the limiting rod 91, so that the baffle ring 10 can guide the limiting rod 91, and the limiting rod 91 can accurately enter the limiting groove 111.

The implementation principle of the embodiment is as follows: the baffle plate assembly 6 is arranged, the two first baffle plates 61 and the two second baffle plates 62 of the baffle plate assembly 6 are arranged on the outer peripheral sides of the pressure bearing disc 5 and the telescopic detection device 4 in an enclosing mode, and broken and splashed sample fragments are blocked by the baffle plate assembly 6, so that the possibility that the sample fragments injure operators is reduced; the second baffle plate 62 comprises a fixed plate 621 and a movable plate 622 which are connected in a sliding manner and used for adjusting the length of the second baffle plate 62, a telescopic plate 8 with adjustable length is detachably connected between the two oppositely arranged bearing plates 7, when the lengths of samples to be pressed are different, the two first baffle plates 61 can be slid, the distance between the two first baffle plates 61 is adjusted, and the lengths of the second baffle plate 62 and the telescopic plate 8 are adjusted simultaneously so as to adapt to the samples to be pressed with different lengths; the sliding seat 71 is provided with a limiting assembly 9 which can limit the sliding seat 71 to prevent the two first baffles 61 from continuously sliding along the sliding rail 11 after the relative distance between the two first baffles 61 is adjusted.

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

1. The utility model provides a pavement material intensity detector, includes test bench (1), be fixed in test bench (1) and be used for placing pressure-bearing plate (5) of waiting to press the sample, be fixed in two pillars (2) of test bench (1) working face, be fixed in crossbeam (3) above pressure-bearing plate (5) and be fixed in crossbeam (3) and be located pressure-bearing plate (5) directly over be used for pressure detection's flexible detection device (4), its characterized in that: the test bed (1) is provided with a blocking device for blocking sample fragments, the blocking device comprises a detachable baffle plate assembly (6), and the baffle plate assembly (6) is arranged around the outer peripheral sides of the pressure bearing disc (5) and the telescopic detection device (4); the baffle plate assembly (6) comprises two oppositely arranged first baffle plates (61) and two oppositely arranged second baffle plates (62), the first baffle plates (61) and the second baffle plates (62) are detachably connected into a square frame, and the oppositely arranged first baffle plates (61) respectively extend towards one side facing the pressure bearing disc (5) to form a bearing plate (7) for bearing sample fragments; in addition, first baffle (61) slide and set up in test bench (1), second baffle (62) include sliding connection be used for adjusting fixed plate (621) and fly leaf (622) of second baffle (62) length, two relative settings can dismantle between loading board (7) and be connected with adjustable length expansion plate (8).

2. The pavement material strength detector according to claim 1, wherein: two relative settings loading board (7) are provided with sliding seat (71) respectively, test bench (1) is provided with slide rail (11), sliding seat (71) slide in slide rail (11), sliding seat (71) are provided with spacing subassembly (9) with sliding seat (71) spacing in slide rail (11).

3. The pavement material strength detector according to claim 2, wherein: spacing subassembly (9) include gag lever post (91), gag lever post (91) and sliding seat (71) sliding connection, one of them inside wall of slide rail (11) is provided with a plurality of spacing grooves (111) with gag lever post (91) looks adaptation along the length direction of slide rail (11), slide rail (11) are seted up the one side of seting up spacing groove (111) relatively and are supplied gliding slide (112) of gag lever post (91), the one end that spacing groove (111) were kept away from in gag lever post (91) is passed slide rail (11) and is extended outside slide rail (11).

4. The pavement material strength detector according to claim 3, wherein: sliding seat (71) are provided with storage tank (711) that the notch set up towards spacing groove (111), gag lever post (91) pass the inside and sliding seat (71) sliding connection of storage tank (711), are located gag lever post (91) cover in storage tank (711) is equipped with elastic component (92), the one end of elastic component (92) is fixed in storage tank (711) for one side of notch, other end fixedly connected with clamping ring (93), gag lever post (91) are located to clamping ring (93) cover.

5. The pavement material strength detector according to claim 4, wherein: the notch of the accommodating groove (711) is provided with a baffle ring (10), the baffle ring (10) is matched with the notch, and when the sliding seat (71) is limited, the limiting rod (91) penetrates through the baffle ring (10) to enter the limiting groove (111).

6. The pavement material strength detector according to claim 5, wherein: a push handle (911) is arranged on the limiting rod (91) extending out of the sliding rail (11).