CN218479019U - Roadbed crushing device for construction - Google Patents
Roadbed crushing device for construction Download PDFInfo
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- CN218479019U CN218479019U CN202022191814.1U CN202022191814U CN218479019U CN 218479019 U CN218479019 U CN 218479019U CN 202022191814 U CN202022191814 U CN 202022191814U CN 218479019 U CN218479019 U CN 218479019U
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Abstract
The utility model provides a road bed breaker is used in construction belongs to the road engineering field. This subgrade breaker is used in construction includes supporting mechanism, broken mechanism and diesel engine, supporting mechanism includes base, main support, two first guide arms, second guide arm, pneumatic cylinder, mount, first guide rail, second guide rail and third guide rail, broken mechanism includes slider, first sprocket, second sprocket, tensioning sprocket, chain, guide block, impact hammer and guiding axle, first sprocket the second sprocket with pass through between the tensioning sprocket the chain transmission in proper order connects, the guide block is installed on the chain, guide block one side with the catching groove is corresponding, the diesel engine sets up the base is kept away from impact hammer one side, diesel engine transmission connect in the second sprocket, the utility model discloses can adjust impact hammer rise and fall height range to different operating modes, improve subgrade crushing efficiency.
Description
Technical Field
The utility model relates to a road engineering field particularly, relates to a road bed breaker is used in construction.
Background
The road bed crushing device is simple in structure, small, exquisite and flexible, and is particularly suitable for narrow roads and repair projects with more narrow construction environment spaces.
At present, current small-size road bed breaker adopts fixed frame structure more, dashes the limited and unadjustable of hammer lifting scope, can't adjust the impact force of dashing the hammer to different construction road conditions, road bed thickness or hardness, is difficult to adapt to diversified construction environment, and the frequency of rising and falling of dashing the hammer is low, and crushing efficiency is not high.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a road bed breaker is used in construction aims at improving the not adjustable of impact hammer lifting scope, and the impact hammer frequency of rising and falling is low, the low problem of crushing efficiency.
The utility model discloses a realize like this:
the utility model provides a road bed breaker is used in construction, including supporting mechanism, broken mechanism and diesel engine.
The supporting mechanism comprises a base, a main support, two first guide rods, a second guide rod, a hydraulic cylinder, a fixing frame, a first guide rail, a second guide rail and a third guide rail, the main support is fixedly connected above the base, the hydraulic cylinder is fixedly connected inside the main support, a piston rod of the hydraulic cylinder is arranged above the main support, the second guide rod is fixedly connected above the main support, the top end of the second guide rod is fixedly connected below the fixing frame, the two ends of the two first guide rods are respectively and fixedly connected with the fixing frame and the base, the two ends of the first guide rail are respectively and fixedly connected with the fixing frame and the base, the lower end of the second guide rail is slidably connected with one side of the main support close to the first guide rail, and the two ends of the third guide rail are fixedly connected with one side of the main support close to the first guide rail, the crushing mechanism comprises a sliding block, a first chain wheel, a second chain wheel, a tension chain wheel, a chain, a guide block, a punch hammer and a guide shaft, wherein the sliding block is fixedly connected to the top end of a piston rod of the hydraulic cylinder, a second guide rod penetrates through the sliding block in a sliding manner, the guide shaft is fixedly connected to the upper side of the sliding block and penetrates through the fixed frame in a sliding manner, the upper end of the second guide rail is fixedly connected to one side, close to the first guide rail, of the sliding block, the first chain wheel is rotatably connected to one side, close to the second guide rail, of the sliding block, the second chain wheel is rotatably connected to one side, close to the third guide rail, of the main support, the tension chain wheel comprises a tension chain wheel main body, a hydraulic rod and a movable connecting rod, the tension chain wheel main body is rotatably connected to one end, far away from the main support, of the hydraulic rod and the movable connecting rod, far away from one end of the tension chain wheel main body, of the hydraulic rod and the movable connecting rod are rotatably connected to the main support respectively, the chain is connected in proper order through between the first sprocket the second sprocket with the tensioning sprocket, the guide block is installed on the chain, the guide block is provided with a plurality of, a plurality of guide block interval distribution is in on the chain, dash hammer both sides respectively sliding connection in two first guide arm, dash the hammer setting two between the first guide arm, it is close to dash the hammer chain one side has seted up the catching groove, guide block one side with the catching groove is corresponding, the diesel engine sets up the base is kept away from dash hammer one side, the diesel engine transmission connect in the second sprocket.
In an embodiment of the present invention, the base is close to one side of the impact hammer, and a impact hammer groove is formed in the one side of the impact hammer.
In an embodiment of the present invention, the main support includes a support main body and a reinforcing frame, the support main body lower side is fixedly connected to the base, the reinforcing frame upper end is fixedly connected to the support main body, the support main body is close to the diesel engine one side, and the reinforcing frame lower end is fixedly connected to the base.
The utility model discloses an in an embodiment, the hydraulic stem includes hydraulic stem main part and spring, the hydraulic stem main part rotate connect in the support main part is close to tensioning sprocket main part one side, hydraulic stem main part piston rod rotate connect in the tensioning sprocket main part, hydraulic stem main part piston rod run through in the spring.
In an embodiment of the present invention, the movable connecting rod includes a first rod and a second rod, the first rod is kept away from the bracket main body one end is rotatably connected to the second rod one end, the first rod is close to the bracket main body one end is rotatably connected to the bracket main body, the second rod is kept away from the first rod one end is rotatably connected to the tension sprocket main body.
The utility model discloses an in one embodiment, the guide block includes guide block main part, two guide bars and colludes the mouth, two guide bar fixed connection in the guide block main part is close to first guide rail the second guide rail with third guide rail one side, collude mouth fixed connection in the guide block main part is close to hammer punch one side.
In an embodiment of the present invention, the second sprocket is kept away from the first pulley is installed on one side of the bracket main body.
The utility model discloses an in one embodiment, the diesel engine includes diesel engine main part, flywheel and second belt pulley, diesel engine main part fixed connection in the base top, the flywheel transmission connect in the diesel engine main part, second belt pulley fixed connection in the flywheel is kept away from diesel engine main part one side.
The utility model discloses an in one embodiment, the diesel engine still includes speed reducer, third belt pulley and fourth belt pulley, speed reducer fixed connection in the base top, the speed reducer is installed the diesel engine main part is close to support subject one side, the third belt pulley is installed the speed reducer input, the fourth belt pulley is installed the speed reducer output.
In an embodiment of the present invention, the second belt pulley and the third belt pulley are connected by a first belt transmission, and the first belt pulley and the fourth belt pulley are connected by a second belt transmission.
The utility model has the advantages that: the utility model discloses a road bed breaker for construction that obtains through above-mentioned design, during the use, start the diesel engine, start the pneumatic cylinder, drive the slider along guiding axle and the adjustment of second guide arm suitable height, tensioning sprocket cooperation hydraulic stem and the flexible connecting rod adjustment that stretches out and draws back thereupon, prop up the chain, the diesel engine drives second sprocket drive chain drive first sprocket and tensioning sprocket simultaneously, the chain drives the guide block cyclic motion, when the guide block walks to be close to impact hammer one side, be located respectively between first guide rail and third guide rail, first guide rail and the second guide rail; when the guide block walks to the groove, the lifting impact hammer, when the guide block is kept away from impact hammer one side to first sprocket and is walked, the impact hammer landing, guide block interval distribution has a plurality of on the chain, can make the impact hammer frequency of rising and falling higher, and the pneumatic cylinder can be according to construction road conditions, road bed thickness and hardness suitable adjustment impact hammer lifting scope, and the impact force of increase or reduce the impact hammer can adapt to more manifold construction environment, improves crushing efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first view angle structure of a roadbed breaking device provided by the embodiment of the invention;
fig. 2 is a schematic structural view of a supporting mechanism according to an embodiment of the present invention;
fig. 3 is a schematic view of a base structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a first guide rail, a second guide rail and a third guide rail provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a second guide rail and a third guide rail provided by the embodiment of the present invention;
fig. 6 is a schematic structural view of a crushing mechanism according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a tension sprocket according to an embodiment of the present invention;
fig. 8 is a schematic view of a second visual angle structure of the roadbed breaking device according to the embodiment of the present invention;
fig. 9 is a schematic structural view of a punch hammer and a guide block according to an embodiment of the present invention;
fig. 10 is a schematic view of a guide block structure provided in an embodiment of the present invention;
fig. 11 is a schematic structural view of a punch hammer according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a diesel engine according to an embodiment of the present invention.
In the figure: 100-a support mechanism; 110-a base; 111-hammer impact groove; 120-a main support; 121-a stent body; 122-reinforcing frame; 130-a first guide bar; 140-a second guide bar; 150-hydraulic cylinder; 160-a fixed frame; 170-a first guide rail; 180-a second guide rail; 190-a third guide rail; 200-a crushing mechanism; 210-a slider; 220-a first sprocket; 230-a second sprocket; 240-tension sprocket; 241-a tension sprocket body; 242-hydraulic lever; 2421-hydraulic ram body; 2422-a spring; 243-movable connecting rod; 2431-a first stick; 2432-a second rod; 250-a chain; 260-a guide block; 261-a guide block body; 262-a guide rod; 263-hook mouth; 270-impact hammer; 271-hooking grooves; 280-a first pulley; 290-a guide shaft; 300-a diesel engine; 310-a diesel engine body; 320-a flywheel; 330-a second pulley; 340-a speed reducer; 350-a third pulley; 360-a fourth pulley; 370-a first belt; 380-second belt.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, fig. 2 and fig. 6, the present invention provides a technical solution: a roadbed crushing device for construction comprises a supporting mechanism 100, a crushing mechanism 200 and a diesel engine 300, wherein the crushing mechanism 200 and the diesel engine 300 are arranged on two sides above the supporting mechanism 100.
Referring to fig. 1-5 and 8, the supporting mechanism 100 includes a base 110, a main bracket 120, two first guide rods 130, a second guide rod 140, a hydraulic cylinder 150, a fixing bracket 160, a first guide rail 170, a second guide rail 180, and a third guide rail 190, the main bracket 120 is fixedly connected to the upper side of the base 110, the bracket 120 is fixedly connected to the base 110 by welding, the hydraulic cylinder 150 is fixedly connected to the inner side of the main bracket 120, the hydraulic cylinder 150 is fixedly connected to the main bracket 120 by welding, a piston rod of the hydraulic cylinder 150 is disposed above the main bracket 120, the second guide rod 140 is fixedly connected to the upper side of the main bracket 120, the second guide rod 140 is fixedly connected to the main bracket 120 by welding, a top end of the second guide rod 140 is fixedly connected to a lower side of the fixing bracket 160 by welding, two ends of two first guide rods 130 are respectively fixedly connected to the fixed frame 160 and the base 110, two ends of two first guide rods 130 are respectively fixedly connected with the fixed frame 160 and the base 110 through welding, two ends of a first guide rail 170 are respectively fixedly connected to the fixed frame 160 and the base 110, two ends of the first guide rail 170 are respectively fixedly connected with the fixed frame 160 and the base 110 through welding, the lower end of a second guide rail 180 is slidably connected to one side, close to the first guide rail 170, of the main bracket 120, two ends of a third guide rail 190 are fixedly connected to one side, close to the first guide rail 170, of the main bracket 120, two ends of the third guide rail 190 are fixedly connected with the main bracket 120 through welding, one side, close to the impact hammer 270, of the base 110 is provided with an impact hammer groove 111, and the impact hammer groove 111 can ensure that the impact hammer 270 has enough space when falling to impact the roadbed; the main support 120 includes a support main body 121 and a reinforcing frame 122, the lower side of the support main body 121 is fixedly connected to the base 110, the support main body 121 is fixedly connected to the base 110 by welding, the upper end of the reinforcing frame 122 is fixedly connected to the side of the support main body 121 close to the diesel engine 300, the reinforcing frame 122 is fixedly connected to the support main body 121 by welding, the lower end of the reinforcing frame 122 is fixedly connected to the base 110, the reinforcing frame 122 is fixedly connected to the base 110 by welding, and the reinforcing frame 122 can make the support main body 121 more stable.
Referring to fig. 1-2 and fig. 6-11, the crushing mechanism 200 includes a sliding block 210, a first chain wheel 220, a second chain wheel 230, a tension chain wheel 240, a chain 250, a guide block 260, a hammer 270, and a guide shaft 290, the sliding block 210 is fixedly connected to the top end of the piston rod of the hydraulic cylinder 150 by welding, the second guide bar 140 is slidably inserted through the sliding block 210, the guide shaft 290 is fixedly connected to the upper side of the sliding block 210, the guide shaft 290 is slidably inserted through the fixing frame 160, the upper end of the second guide rail 180 is fixedly connected to the side of the sliding block 210 close to the first guide rail 170, the second guide rail 180 is fixedly connected to the sliding block 210 by welding, the first chain wheel 220 is rotatably connected to the side of the sliding block 210 close to the second guide rail 180, the second chain wheel 230 is rotatably connected to the side of the main bracket 120 close to the third guide rail 190, the tension sprocket 240 comprises a tension sprocket main body 241, a hydraulic rod 242 and a movable connecting rod 243, the tension sprocket main body 241 is respectively connected to one ends of the hydraulic rod 242 and the movable connecting rod 243, which are far away from the main bracket 120, the hydraulic rod 242 and the movable connecting rod 243 are respectively connected to the main bracket 120 in a rotating manner, the hydraulic rod 242, the movable connecting rod 243 and the main bracket 120 are connected in a rotating manner through round pins, the first sprocket 220, the second sprocket 230 and the tension sprocket 240 are sequentially connected in a driving manner through a chain 250, a plurality of guide blocks 260 are arranged on the chain 250, the plurality of guide blocks 260 are distributed on the chain 250 at intervals, two sides of the impact hammer 270 are respectively connected to the two first guide rods 130 in a sliding manner, the impact hammer 270 is arranged between the two first guide rods 130, one side of the impact hammer 270, which is close to the chain 250, is provided with a hook groove 271, one side of the guide block 260 corresponds to the hook groove, the hydraulic rod 242 comprises a hydraulic rod main body 2421 and a spring 2422, the hydraulic rod main body 2421 is rotatably connected to one side, close to the tension sprocket main body 241, of the bracket main body 121, the hydraulic rod main body 2421 is rotatably connected with the bracket main body 121 through a round pin column, a piston rod of the hydraulic rod main body 2421 is rotatably connected with the tension sprocket main body 241, the piston rod of the hydraulic rod main body 2421 is rotatably connected with the tension sprocket main body 241 through a bearing, the piston rod of the hydraulic rod main body 2421 penetrates through a spring 2422, and the hydraulic rod main body 2421 can flexibly and effectively adjust the tension degree of the tension sprocket 240 in cooperation with the spring 2422; the movable connecting rod 243 comprises a first rod 2431 and a second rod 2432, one end of the first rod 2431, which is far away from the bracket main body 121, is rotatably connected to one end of the second rod 2432, the first rod 2431 and the second rod 2432 are rotatably connected through a rivet, one end of the first rod 2431, which is close to the bracket main body 121, is rotatably connected to the bracket main body 121, the first rod 2431 and the bracket main body 121 are rotatably connected through a round pin, one end of the second rod 2432, which is far away from the first rod 2431, is rotatably connected to the tension sprocket main body 241, the second rod 2432 and the tension sprocket main body 241 are rotatably connected through a bearing, the first rod 2431 and the second rod 2432 are matched to form a telescopic mechanism, and the matched hydraulic rod main body 2421 can flexibly adjust the tension degree of the tension sprocket 240 in multiple angles and improve the stability; the guide block 260 comprises a guide block main body 261, two guide rods 262 and a hook mouth 263, wherein the two guide rods 262 are fixedly connected to one side, close to the first guide rail 170, the second guide rail 180 and the third guide rail 190, of the guide block main body 261, the two guide rods 262 are fixedly connected with the guide block main body 261 through welding, the hook mouth 263 is fixedly connected to one side, close to the punch hammer 270, of the guide block main body 261, the hook mouth 263 is fixedly connected with the guide block main body 261 through welding, when the two guide rods 262 are fed to the positions between the first guide rail 170 and the third guide rail 190 and between the first guide rail 170 and the second guide rail 180, the hook mouth 263 can be stably fixed in a balanced mode, the hook mouth 263 is fed to the hook groove 271, the punch hammer 270 is lifted, and when the hook mouth 263 is fed to the side far away from the punch hammer 270 through the first chain wheel 220, the punch hammer 270 slides down, and the roadbed is impacted by using gravitational potential energy; the first belt pulley 280 is installed on one side of the second chain wheel 230 away from the bracket body 121 and is used for driving the second chain wheel 230.
Referring to fig. 1-2, 6 and 12, the diesel engine 300 is disposed on a side of the base 110 far from the impact hammer 270, the diesel engine 300 is in transmission connection with the second sprocket 230, the diesel engine 300 includes a diesel engine main body 310, a flywheel 320 and a second pulley 330, the diesel engine main body 310 is fixedly connected to a side of the base 110, the diesel engine main body 310 and the base 110 are fixedly connected by screws, the flywheel 320 is in transmission connection with the diesel engine main body 310, the flywheel 320 and the diesel engine main body 310 are in transmission connection by a transmission shaft, the second pulley 330 is fixedly connected to a side of the flywheel 320 far from the diesel engine main body 310, the diesel engine 300 further includes a speed reducer 340, a third pulley 350 and a fourth pulley 360, the speed reducer 340 is fixedly connected to a side of the base 110, the speed reducer 340 is mounted on a side of the diesel engine main body 310 close to the support main body 121, the third pulley 350 is mounted on an input end of the speed reducer 340, the fourth pulley 360 is mounted on an output end of the speed reducer 340, the second pulley 330 is in transmission connection by a first belt 370, the first belt pulley 280 and the fourth belt 380 are in transmission connection, and the second belt pulley 360 are in transmission connection, so as to provide sufficient power for the whole device.
Specifically, this road bed breaker for construction's theory of operation: when the diesel engine is used, the diesel engine main body 310 is started to drive the flywheel 320 and the second belt pulley 330 to rotate, the speed reducer 340 is driven by the first belt 370 through the third belt pulley 350, the first belt pulley 280 is driven by the fourth belt pulley 360 through the second belt 380, the second chain wheel 230 is driven to drive the chain 250, the first chain wheel 220 and the tensioning chain wheel 240 are further driven, the hydraulic cylinder 150 drives the sliding block 210 to adjust the height of the first chain wheel 220, and the rising and falling range of the impact hammer 270 can be adjusted by adjusting the height of the first chain wheel 220; the tensioning chain wheel 240 is adjusted in a telescopic mode along with the height change of the first chain wheel 220, the height of the second guide rail 180 is changed along with the height change of the sliding block 210, the chain 250 is tensioned, the chain 250 drives the guide block main body 261 to move circularly, when the chain runs to the position close to one side of the impact hammer 270, the two guide rods 262 are clamped between the first guide rail 170 and the third guide rail 190 and between the first guide rail 170 and the third guide rail 190 respectively, the guide block main body 261 is balanced and stabilized, when the hook mouth 263 runs to the position of the hook groove 271, the hook mouth 263 lifts the impact hammer 270, and when the hook mouth 263 moves to the side far from the impact hammer 270 through the first chain wheel 220, the impact hammer 270 slides down to impact a roadbed; the guide blocks 260 are arranged on the chain 250 at intervals, so that the rising and falling frequency of the impact hammer 270 can be improved, and the impact crushing efficiency can be improved.
It should be noted that the specific model specifications of the diesel engine main body 310 and the speed reducer 340 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A roadbed crushing device for construction is characterized by comprising
The supporting mechanism (100) comprises a base (110), a main bracket (120), two first guide rods (130), a second guide rod (140), a hydraulic cylinder (150), a fixing frame (160), a first guide rail (170), a second guide rail (180) and a third guide rail (190), wherein the main bracket (120) is fixedly connected above the base (110), the hydraulic cylinder (150) is fixedly connected inside the main bracket (120), a piston rod of the hydraulic cylinder (150) is arranged above the main bracket (120), the second guide rod (140) is fixedly connected above the main bracket (120), the top end of the second guide rod (140) is fixedly connected to the lower side of the fixing frame (160), two ends of the first guide rods (130) are respectively and fixedly connected to the fixing frame (160) and the base (110), two ends of the first guide rail (170) are respectively and fixedly connected to the fixing frame (160) and the base (110), the lower end of the second guide rail (180) is slidably connected to one side, close to the first guide rail (170), of the main bracket (120), and two ends of the third guide rail (190) are fixedly connected to one side, close to the first guide rail (170);
the crushing mechanism (200) comprises a sliding block (210), a first chain wheel (220), a second chain wheel (230), a tensioning chain wheel (240), a chain (250), a guide block (260), a ram (270) and a guide shaft (290), the sliding block (210) is fixedly connected to the top end of a piston rod of the hydraulic cylinder (150), the second guide rod (140) is slidably penetrated through the sliding block (210), the guide shaft (290) is fixedly connected to the upper side of the sliding block (210), the guide shaft (290) is slidably penetrated through the fixed frame (160), the upper end of the second guide rail (180) is fixedly connected to the side, close to the first guide rail (170), of the sliding block (210), the first chain wheel (220) is rotatably connected to the side, close to the second guide rail (180), of the second chain wheel (230) is rotatably connected to the side, close to the third guide rail (190), of the main bracket (120), the tensioning chain wheel (240) comprises a tensioning chain wheel main body (241), a hydraulic rod (242) and a movable connecting rod (243), the tensioning chain wheel (240) is rotatably connected to the main body (242) and one end of the movable connecting rod (242) is far away from the hydraulic rod (242) One end of each of the first chain wheel (220), the second chain wheel (230) and the tensioning chain wheel (240) is rotatably connected to the main support (120) through the chain (250), the guide blocks (260) are installed on the chain (250), the guide blocks (260) are provided with a plurality of guide blocks (260), the guide blocks (260) are distributed on the chain (250) at intervals, two sides of the impact hammer (270) are slidably connected to the two first guide rods (130) respectively, the impact hammer (270) is arranged between the two first guide rods (130), one side, close to the chain (250), of the impact hammer (270) is provided with a hook groove (271), and one side of the guide block (260) corresponds to the hook groove (271);
the diesel engine (300) is arranged on one side, far away from the impact hammer (270), of the base (110), and the diesel engine (300) is in transmission connection with the second chain wheel (230).
2. The roadbed breaking device for construction according to claim 1, wherein a hammer groove (111) is formed on one side of the base (110) close to the hammer (270).
3. A roadbed breaking device for construction according to claim 2, wherein the main support (120) comprises a support main body (121) and a reinforcing frame (122), the lower side of the support main body (121) is fixedly connected to the base (110), the upper end of the reinforcing frame (122) is fixedly connected to the side of the support main body (121) close to the diesel engine (300), and the lower end of the reinforcing frame (122) is fixedly connected to the base (110).
4. A subgrade breaking device according to claim 3, in which the hydraulic rod (242) comprises a hydraulic rod main body (2421) and a spring (2422), the hydraulic rod main body (2421) is rotatably connected to one side of the bracket main body (121) close to the tension sprocket main body (241), a piston rod of the hydraulic rod main body (2421) is rotatably connected to the tension sprocket main body (241), and the piston rod of the hydraulic rod main body (2421) penetrates through the spring (2422).
5. A subgrade breaking device according to claim 4, in which the movable connecting rod (243) comprises a first rod body (2431) and a second rod body (2432), the end of the first rod body (2431) far away from the bracket main body (121) is rotatably connected to the end of the second rod body (2432), the end of the first rod body (2431) near the bracket main body (121) is rotatably connected to the bracket main body (121), and the end of the second rod body (2432) far away from the first rod body (2431) is rotatably connected to the tension sprocket main body (241).
6. A roadbed breaking device for construction according to claim 5, wherein the guide block (260) comprises a guide block main body (261), two guide rods (262) and a hook mouth (263), the two guide rods (262) are fixedly connected to the side of the guide block main body (261) close to the first guide rail (170), the second guide rail (180) and the third guide rail (190), and the hook mouth (263) is fixedly connected to the side of the guide block main body (261) close to the ram (270).
7. A roadbed breaking device for construction according to claim 6, wherein a first belt pulley (280) is installed on the side of the second chain wheel (230) far from the bracket main body (121).
8. The subgrade breaking device according to claim 7, characterized in that the diesel engine (300) comprises a diesel engine main body (310), a flywheel (320) and a second pulley (330), the diesel engine main body (310) is fixedly connected above the base (110), the flywheel (320) is in transmission connection with the diesel engine main body (310), and the second pulley (330) is fixedly connected to one side, far away from the diesel engine main body (310), of the flywheel (320).
9. The subgrade crushing device for the construction according to the claim 8, characterized in that the diesel engine (300) further comprises a speed reducer (340), a third belt pulley (350) and a fourth belt pulley (360), the speed reducer (340) is fixedly connected above the base (110), the speed reducer (340) is installed on one side of the diesel engine main body (310) close to the bracket main body (121), the third belt pulley (350) is installed at the input end of the speed reducer (340), and the fourth belt pulley (360) is installed at the output end of the speed reducer (340).
10. A subgrade breaking device according to claim 9, in which said second pulley (330) is in transmission connection with said third pulley (350) through a first belt (370), and said first pulley (280) is in transmission connection with said fourth pulley (360) through a second belt (380).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191814.1U CN218479019U (en) | 2020-09-30 | 2020-09-30 | Roadbed crushing device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022191814.1U CN218479019U (en) | 2020-09-30 | 2020-09-30 | Roadbed crushing device for construction |
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| CN218479019U true CN218479019U (en) | 2023-02-14 |
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