CN211553023U

CN211553023U - Asphalt weighing device

Info

Publication number: CN211553023U
Application number: CN202020505020.5U
Authority: CN
Inventors: 张少华
Original assignee: Shangqiu Yudong Highway Prospecting Design Co ltd
Current assignee: Shangqiu Yudong Highway Prospecting Design Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-09-22
Anticipated expiration: 2030-04-08

Abstract

The utility model belongs to the technical field of the technique that the pitch raw materials weighed and specifically relates to a pitch weighing device is related to. The automatic discharging device comprises a rack and a tank body arranged on the rack, wherein a weighing structure and a feeding port are arranged at the top of the tank body, the weighing structure is detachably connected with the rack, the weighing structure is detachably connected with the tank body, and a discharging port and a control valve for controlling discharging are arranged at the bottom of the tank body; the utility model discloses a tank body, including the jar body, the jar body is provided with the bearing structure that is used for reducing to rock on the body, bearing structure and frame sliding connection are provided with on the bearing structure and are used for the fixed jar body to lock the structure in the frame, locking structure and bearing structure sliding connection, locking structure includes locking portion and unblock portion, locking portion and unblock portion butt, be provided with in the frame and be used for moving the elevation structure of jar body height, locking portion and elevation structure threaded connection. The utility model discloses energy-conserving effect has.

Description

Asphalt weighing device

Technical Field

The utility model belongs to the technical field of the technique that the pitch raw materials weighed and specifically relates to a pitch weighing device is related to.

Background

At present, in the construction of high-speed and high-grade highways, an asphalt mixing plant is one of key machines for asphalt pavement construction. The asphalt mixing plant is production equipment for mixing hot aggregate, powder and asphalt according to a certain proportion, then adding an additive and uniformly stirring to obtain a mixed product material.

For example, chinese patent No. CN208009199U discloses a device for accurately measuring asphalt flow, which includes an asphalt inlet and an asphalt outlet arranged at the top of an asphalt tank, and three weighing sensors arranged at the bottom of the tank and uniformly distributed at the bottom of the asphalt tank for weighing the asphalt tank.

The above prior art solutions have the following drawbacks: above-mentioned pitch flow device is when using, and the export setting is at the top of the jar body, need use suction device to take out the internal pitch of jar during the ejection of compact, and the power consumption increases the cost greatly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an asphalt weighing device, with the bottom of pitch export setting at the jar body, pitch flows through self gravity, and it has energy-conserving effect.

The above object of the present invention is achieved by the following technical solutions: an asphalt raw material weighing device comprises a rack and a tank body arranged on the rack, wherein a weighing structure and a feeding port are arranged at the top of the tank body, the weighing structure is detachably connected with the rack, the weighing structure is detachably connected with the tank body, and a discharge port and a control valve for controlling discharge are arranged at the bottom of the tank body; the utility model discloses a tank body, including the jar body, the jar body is provided with the bearing structure that is used for reducing to rock on the body, bearing structure and frame sliding connection are provided with on the bearing structure and are used for the fixed jar body to lock the structure in the frame, locking structure and bearing structure sliding connection, locking structure includes locking portion and unblock portion, locking portion and unblock portion butt, be provided with in the frame and be used for moving the elevation structure of jar body height, locking portion and elevation structure threaded connection.

Through adopting above-mentioned technical scheme, the raw materials gets into jar body from the pan feeding mouth at jar body top, can discharge from the discharge gate of jar body bottom, need not to use suction device to take out pitch, and is comparatively energy-conserving, weighs the structure and is used for weighing to the jar body, and then weighs the quality of pitch, and locking structure is used for the fixed jar of body in the frame, and bearing structure is used for the bearing tank body in the frame, prevents that jar body business turn over material from producing when weighing and rocking, influences the weighing result.

The present invention may be further configured in a preferred embodiment as: the weighing structure is arranged to be an S-shaped sensor and comprises a body, a first connecting hook and a second connecting hook, a threaded hole is formed in the body, the first connecting hook and the second connecting hook are both in threaded connection with the body, the first connecting hook is detachably connected with the rack, the second connecting hook is detachably connected with the tank body, a signal transmission end is arranged on the body, and the signal transmission end is connected with a weighing controller used for displaying measured data.

Through adopting above-mentioned technical scheme, in the measurement process, the weight of the jar body loads to S type sensor, and the body produces plastic deformation, and the foil gage on the body can be with deformation transformation electric signal output value weighing control ware, through weighing control ware display quantity value, and then obtain measuring result.

The present invention may be further configured in a preferred embodiment as: the frame includes roof, bracing piece and bottom plate, bracing piece and the equal fixed connection of roof, bottom plate, be provided with the blown down tank that the discharge gate corresponds on the bottom plate, elevation structure includes the lead screw and is used for driving lead screw pivoted drive division, and the drive division sets up to a driving motor, lead screw and bracing piece parallel arrangement, and the lead screw all rotates with roof, bottom plate to be connected, and lead screw and driving motor are coaxial fixed, bracing piece and bearing structure sliding connection, lead screw and bearing structure threaded connection.

Through adopting above-mentioned technical scheme, driving motor rotates, and the jar body can rise, avoids jar body long-term symmetry volume structure to produce the pulling force, increases the life who weighs the structure.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a supporting structure, including the jar body, the supporting structure includes the lantern ring, backup pad and support frame, the fixed lateral wall of establishing at the jar body of lantern ring, backup pad and support frame set up the both sides at the lantern ring respectively, the bracing piece runs through backup pad and backup pad sliding connection, be provided with the mounting groove on the support frame, locking portion sets up in the mounting groove, locking portion and mounting groove sliding connection, locking portion and lead screw threaded connection, bearing structure integrated into one piece.

Through adopting above-mentioned technical scheme, the backup pad can slide on the bracing piece, and locking structure and lead screw threaded connection, lead screw rotate, and bearing structure is portable, and then drives jar body and remove.

The present invention may be further configured in a preferred embodiment as: the locking portion includes pressure spring and briquetting, and the quantity of briquetting sets up to two, briquetting and support frame sliding connection, pressure spring and briquetting fixed connection, the inside wall fixed connection of pressure spring and mounting groove, half thread groove has been seted up on the briquetting, lead screw and half thread groove threaded connection.

Through adopting above-mentioned technical scheme, when the briquetting was pressed to the pressure spring was mutually supported, half thread groove between the briquetting formed a complete thread groove, thread groove and lead screw threaded connection, when contactless between the briquetting, the jar body was connected in the frame by weighing the structure.

The present invention may be further configured in a preferred embodiment as: the mounting groove is characterized in that a sliding groove is formed in the inner side wall of the mounting groove, a sliding block is arranged on the pressing block, the sliding block is in sliding fit in the sliding groove, and the cross section of the sliding groove is T-shaped.

Through adopting above-mentioned technical scheme, the cross-section of spout sets up to the T type, prevents that the briquetting from appearing deviating from the phenomenon of mounting groove when removing.

The present invention may be further configured in a preferred embodiment as: the unlocking part comprises a wedge block and a screw rod, the screw rod is in threaded connection with the support frame, one end of the screw rod is fixedly connected with the wedge block, and the wedge block is abutted to the pressing block.

Through adopting above-mentioned technical scheme, the positive rotation screw rod removes, backs down the briquetting through the voussoir, and the pressure spring shrink this moment, briquetting and lead screw contactless weigh the structure to the jar body, and the contrarotation screw rod, pressure spring extension promote the briquetting make butt between the briquetting, make briquetting and lead screw threaded connection's structure more stable.

The present invention may be further configured in a preferred embodiment as: and a hand wheel is coaxially fixed at one end of the screw rod, which is deviated from the end connected with the wedge block.

Through adopting above-mentioned technical scheme, the setting of hand wheel, the user of being convenient for operates.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the raw materials get into the jar body from the pan feeding mouth at jar body top, can discharge from the discharge gate of jar body bottom, need not to use suction device to take out pitch, and is comparatively energy-conserving, and the weighing structure is used for weighing the jar body, and then weighs the quality of pitch, and locking structure is used for fixing the jar body in the frame, and bearing structure is used for supporting the jar body in the frame, prevents that the jar body from producing when passing in and out the material and weighing and rocking, influences the weighing result;

2. in the measuring process, the weight of the tank body is loaded to the S-shaped sensor, the body generates plastic deformation, the strain gauge on the body can convert the deformation into an electric signal output value weighing controller, and the quantity value is displayed through the weighing controller so as to obtain a measuring result.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view showing a locking structure.

Reference numerals: 1. a frame; 10. a top plate; 11. a support bar; 12. a base plate; 2. a tank body; 20. a feeding port; 21. a discharge port; 22. a control valve; 3. a weighing structure; 30. a body; 31. a first connecting hook; 32. a second connecting hook; 4. a support structure; 40. a collar; 41. a support plate; 42. a support frame; 43. mounting grooves; 44. a chute; 5. a locking structure; 6. a locking portion; 60. a pressure spring; 61. briquetting; 610. a slider; 62. a half thread groove; 7. an unlocking portion; 70. a wedge block; 71. a screw; 72. a hand wheel; 8. a lifting structure; 80. a lead screw; 81. a drive section.

Detailed Description

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

Example (b): the utility model provides an asphalt raw material weighing device, as shown in figure 1, including frame 1 and the jar body 2 of installing in frame 1, the top of jar body 2 is provided with weighs structure 3 and pan feeding mouth 20, weighs structure 3 and can dismantle with frame 1 and be connected, weighs structure 3 and can dismantle with jar body 2 and be connected, pan feeding mouth 20 play is provided with sealed lid, sealed lid can dismantle with jar body 2 and be connected, the bottom of jar body 2 is provided with discharge gate 21 and is used for controlling the control valve 22 of the ejection of compact. Fixed bearing structure 4 that is provided with on the jar body 2, bearing structure 4 and 1 sliding connection of frame, be provided with locking structure 5 on the bearing structure 4, locking structure 5 and bearing structure 4 sliding connection, be provided with the elevation structure 8 that is used for removing 2 heights of jar body in the frame 1, locking

structure

5 and 8 threaded connection of elevation structure, locking structure 5 is used for the fixed jar body 2 in frame 1, bearing structure 4 is used for the bearing jar body 2 in frame 1, it rocks to produce when reducing 2 business turn over materials of jar body and weighing, alleviate the influence of symmetry quantity result.

As shown in fig. 2, the weighing structure 3 is configured as an S-shaped sensor, the weighing structure 3 includes a body 30, a first connecting hook 31 and a second connecting hook 32, a threaded hole is formed in the body 30, the first connecting hook 31 and the second connecting hook 32 are both in threaded connection with the body 30, the first connecting hook 31 is detachably connected with the frame 1, and the second connecting hook 32 is detachably connected with the tank 2. The S-shaped sensor is provided with a signal transmission end, the signal transmission end is connected with a weighing controller, and the weighing controller is used for displaying measured data.

As shown in fig. 1, the rack 1 includes a top plate 10, a support rod 11 and a bottom plate 12, the support rod 11 and the top plate 10 are fixedly connected to the bottom plate 12, a discharge chute 120 corresponding to the discharge opening 21 is provided on the bottom plate 12, the lifting structure 8 includes a screw 80 and a driving part 81 for driving the screw 80 to rotate, the driving part 81 is provided as a driving motor, the screw 80 is parallel to the support rod 11, the screw 80 and the top plate 10 are rotatably connected to the bottom plate 12, and the screw 80 and the driving motor are coaxially fixed. The driving motor rotates, and the jar body 2 can rise, avoids jar body 2 long-term symmetry volume structure 3 to produce the pulling force, increases and weighs the life of structure 3.

As shown in fig. 1, the supporting structure 4 includes a sleeve ring 40, a supporting plate 41 and a supporting frame 42, the sleeve ring 40 is fixedly sleeved on the outer side wall of the tank body 2, the supporting plate 41 and the supporting frame 42 are respectively arranged on two sides of the sleeve ring 40, the supporting rod 11 penetrates through the supporting plate 41 and is slidably connected, the supporting frame 42 is provided with a mounting groove 43, the locking structure 5 is arranged in the mounting groove 43, the locking structure 5 is slidably connected with the mounting groove 43, the locking structure 5 is in threaded connection with the screw 80, and the whole supporting structure 4 is. As shown in fig. 3, the locking structure 5 includes a locking portion 6 and an unlocking portion 7, the locking portion 6 abuts against the unlocking portion 7, the locking portion 6 is disposed in the mounting groove 43, the locking portion 6 includes a pressure spring 60 and a pressing block 61, the number of the pressing blocks 61 is two, the pressing block 61 is slidably connected with the support frame 42, the pressure spring 60 is fixedly connected with the pressing block 61, the pressure spring 60 is fixedly connected with the inner side wall of the mounting groove 43, a half thread groove 62 is formed on the pressing block 61, the half thread groove 62 between the pressing blocks 61 abuts against to form a complete thread groove, and the lead screw 80 is in threaded connection with the half thread groove 62. The pressing block 61 is further provided with a sliding block 610, a sliding groove 44 is formed in the mounting groove 43, the sliding block 610 is in sliding fit with the sliding groove 44, and the section of the sliding groove 44 is T-shaped.

The unlocking part 7 comprises a wedge block 70 and a screw rod 71, the screw rod 71 is in threaded connection with the support frame 42, one end of the screw rod 71 is fixedly connected with the wedge block 70, the other end of the screw rod 71 is coaxially fixed with a hand wheel 72, and the wedge block 70 is abutted to the pressing block 61. The hand wheel 72 is rotated to move the screw rod 71 in the forward direction, the pressing block 61 is pushed open through the wedge block 70, the pressing spring 60 contracts at the moment, the pressing block 61 is not in contact with the screw rod 80, and the weighing structure 3 weighs the tank body 2. When the hand wheel 72 is rotated to make the screw rod 71 move reversely, the pressure spring 60 extends to push the press blocks 61 to make the press blocks 61 abut against each other, so that the structure of threaded connection between the press blocks 61 and the screw rod 80 is relatively stable.

The implementation principle of the embodiment is as follows: the hand wheel 72 is rotated forward to enable the wedge block 70 to jack the pressing block 61, and at the moment, the weighing structure 3 can weigh the tank body 2; when not weighing, the hand wheel 72 is rotated reversely, the pressure spring 60 pushes the pressing block 61 to enable the pressing block 61 to be abutted against the screw 80, the driving motor is started, the screw 80 rotates, the height of the tank body 2 is changed, and the pulling force of the gravity of the tank body 2 on the production of the weighing structure 3 is reduced when the weighing is not needed, so that the service life of the weighing structure 3 is prolonged.

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 an asphalt raw material weighing device which characterized in that: the automatic weighing device comprises a rack (1) and a tank body (2) arranged on the rack (1), wherein a weighing structure (3) and a feeding port (20) are arranged at the top of the tank body (2), the weighing structure (3) is detachably connected with the rack (1), the weighing structure (3) is detachably connected with the tank body (2), and a discharging port (21) and a control valve (22) for controlling discharging are arranged at the bottom of the tank body (2); the utility model discloses a locking structure, including jar body (2), fixed bearing structure (4) that is provided with and is used for reducing to rock on jar body (2), bearing structure (4) and frame (1) sliding connection are provided with on bearing structure (4) and are used for fixed jar body (2) locking structure (5) in frame (1), locking structure (5) and bearing structure (4) sliding connection, locking structure (5) are including locking portion (6) and unlocking portion (7), locking portion (6) and unlocking portion (7) butt, be provided with on frame (1) and be used for moving the elevating system (8) of jar body (2) height, locking portion (6) and elevating system (8) threaded connection.

2. The asphalt raw material weighing device according to claim 1, wherein: weighing structure (3) sets up to an S type sensor, weighing structure (3) includes body (30), coupling hook (31) and coupling hook (32), set up threaded hole on body (30), coupling hook (31), coupling hook (32) all with body (30) threaded connection, coupling hook (31) can be dismantled with frame (1) and be connected, coupling hook (32) can be dismantled with jar body (2) and be connected, be provided with the signal transmission end on body (30), the signal transmission end is connected one and is used for showing measured data weighing controller.

3. The asphalt raw material weighing device according to claim 2, wherein the rack (1) comprises a top plate (10), a support rod (11) and a bottom plate (12), the support rod (11) is fixedly connected with the top plate (10) and the bottom plate (12), a discharge chute corresponding to the discharge port (21) is formed in the bottom plate (12), the lifting structure (8) comprises a lead screw (80) and a driving part (81) for driving the lead screw (80) to rotate, the driving part (81) is set to be a driving motor, the lead screw (80) is arranged in parallel with the support rod (11), the lead screw (80) is rotatably connected with the top plate (10) and the bottom plate (12), the lead screw (80) is coaxially fixed with the driving motor, the support rod (11) is slidably connected with the support structure (4), and the lead screw (80) is in threaded connection with the support structure (4).

4. The asphalt raw material weighing device according to claim 3, wherein the supporting structure (4) comprises a sleeve ring (40), a supporting plate (41) and a supporting frame (42), the sleeve ring (40) is fixedly sleeved on the outer side wall of the tank body (2), the supporting plate (41) and the supporting frame (42) are respectively arranged on two sides of the sleeve ring (40), the supporting rod (11) penetrates through the supporting plate (41) and is in sliding connection with the supporting plate (41), an installation groove (43) is arranged on the supporting frame (42), the locking part (6) is arranged in the installation groove (43), the locking part (6) is in sliding connection with the installation groove (43), the locking part (6) is in threaded connection with the screw rod (80), and the supporting structure (4) is integrally formed.

5. The asphalt raw material weighing device according to claim 3, wherein the locking part (6) comprises a pressure spring (60) and two pressing blocks (61), the number of the pressing blocks (61) is two, the pressing blocks (61) are slidably connected with the support frame (42), the pressure spring (60) is fixedly connected with the pressing blocks (61), the pressure spring (60) is fixedly connected with the inner side wall of the mounting groove (43), a half thread groove (62) is formed in the pressing blocks (61), and the lead screw (80) is in threaded connection with the half thread groove (62).

6. The asphalt raw material weighing device according to claim 5, wherein a sliding groove (44) is formed in the inner side wall of the mounting groove (43), a sliding block (610) is arranged on the pressing block (61), the sliding block (610) is in sliding fit in the sliding groove (44), and the cross section of the sliding groove (44) is T-shaped.

7. The asphalt raw material weighing device according to claim 6, wherein the unlocking part (7) comprises a wedge block (70) and a screw rod (71), the screw rod (71) is in threaded connection with the support frame (42), one end of the screw rod (71) is fixedly connected with the wedge block (70), and the wedge block (70) is abutted against the pressing block (61).

8. An asphalt plant weighing apparatus according to claim 7, wherein a hand wheel (72) is coaxially fixed to the end of the screw (71) facing away from the connection with the wedge (70).