Anti-loosening type concrete mixing arm
By setting reinforcement and installation parts on the concrete mixing arm, the problem of easy disengagement from the motor and difficulty in replacing the stirring arm when rotating is solved, and more efficient stirring and more convenient blade replacement are achieved.
Patent Information
- Application Number
- CN202421653707.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing concrete mixing arms will vibrate when they rotate, which will easily disengage from the motor and affect the mixing efficiency. The mixing blades are usually welded and fixed with the mixing arms, making it difficult to replace after wear and poor practicality.
An anti-loose concrete mixing arm is designed. By setting reinforcement components on the fixing plate, including fixing blocks, extrusion grooves, extrusion rods, reinforcement blocks, contact grooves and springs, the main body of the stirring arm is reinforced by the deformation thrust of the spring to reduce shaking, and the stirring blades can be easily replaced by installing components.
Effectively prevent the stirring arm from disengaging from the motor, reduce shaking, improve stirring efficiency, and simplify the replacement process of stirring blades, improving the practicality of the device.
Smart Images

Figure CN222807368U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete mixing, in particular to an anti-loosening type concrete mixing arm. Background Art
[0002] Concrete is a general term for engineering composite materials that are bonded into a whole by cementitious materials. The term concrete usually refers to cement as a cementitious material, sand and stone as aggregates, and water (which may contain admixtures and additives) mixed in a certain proportion and obtained by mixing. It is also called ordinary concrete, which is widely used in civil engineering. Concrete mixing arm is a device used for concrete mixing. The concrete material is poured into the mixing device by operating the mechanical arm, and then the mixing device will mix these materials together to form concrete.
[0003] The existing patent CN213918903U discloses a concrete mixer, which belongs to the field of concrete mixing equipment, and includes a housing and a rotating shaft arranged in the housing, a plurality of stirring arms are arranged on the rotating shaft, and each stirring arm is fixed with a stirring blade, and both ends of the rotating shaft are fixed with a scraping assembly that abuts against the inner wall of the end surface of the housing. The present application has the effect of facilitating the cleaning of the mixer housing.
[0004] Although the current concrete mixing arm can mix concrete when in use, it will generate corresponding vibrations when rotating, which may cause the mixing arm to easily separate from the motor, affecting the mixing efficiency. In addition, the mixing blades are usually welded to the mixing arm, and it is difficult to replace the mixing blades after they are worn, resulting in poor practicality. Utility Model Content
[0005] The utility model aims to provide an anti-loosening concrete mixing arm to solve the problem raised in the above background technology that, although the current concrete mixing arm can be used to mix concrete, etc., when it is in use, corresponding vibration will be generated when the mixing arm rotates, which will cause the mixing arm to easily separate from the motor, affecting the mixing efficiency, and the mixing blades are usually welded and fixed to the mixing arm, and it is difficult to replace the mixing blades after they are worn, resulting in poor practicality.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening concrete mixing arm, comprising a fixing plate, a mixing arm body and a mixing blade, wherein the fixing plate is provided with a reinforcing component for reducing the shaking of the mixing arm body, and a mounting component is provided between the mixing blade and the mixing arm body;
[0007] The reinforcing component includes fixed blocks respectively arranged on both sides of the fixed plate, an extrusion groove opened on one side of the fixed block, an extrusion rod arranged in the extrusion groove, a reinforcing block fixedly connected to one end of the extrusion rod, a contact groove opened on one side of the reinforcing block, a first spring sleeved on the outside of the extrusion rod and a driving component for moving the reinforcing block, the extrusion rod is slidably connected to the extrusion groove, the two ends of the first spring are respectively fixedly connected to the fixed block and the reinforcing block, and the cross-sectional shape of the contact groove is V-shaped.
[0008] Preferably, the mounting component includes a mounting tube sleeved on the outside of the stirring arm body, connecting ports respectively opened on both sides of the mounting tube, a connecting plate fixedly connected to one side of the stirring blade, and a first bolt connected to the connecting plate, and the connecting plate is plugged into the connecting port.
[0009] Preferably, the driving component includes movable grooves respectively opened on both sides of the top of the fixed plate, a movable block connected to the movable groove, a screw connected to the movable block, and a locking component for preventing the screw from rotating, the screw is threadedly connected to the movable block, the screw is rotatably connected to the fixed plate, the movable block is slidably connected to the movable groove, and the top of the movable block is fixedly connected to the bottom of the fixed block.
[0010] Preferably, the locking component includes a fixed plate fixedly connected to the outer side of the screw, a plurality of locking teeth arranged in a circle on the outer side of the fixed plate, a fixed tooth matching the locking tooth, a horizontal plate fixedly connected to both sides of the fixed plate respectively, a pull rod fixedly connected to the bottom of the fixed tooth, a pull plate fixedly connected to the bottom of the pull rod, and a second spring sleeved on the outer side of the pull rod, the pull rod passes through the horizontal plate and is slidably connected to the horizontal plate, and the two ends of the second spring are respectively fixedly connected to the fixed tooth and the horizontal plate.
[0011] Preferably, a plurality of evenly arranged mounting holes are provided on the outer side of the stirring arm body, and insertion holes are respectively provided on both sides of the mounting tube, and second bolts are installed on the insertion holes and the mounting holes.
[0012] Preferably, one end of the screw rod is fixedly connected to a vertical plate, and one side of the vertical plate is fixedly connected to a driving rod.
[0013] Preferably, a plurality of evenly arranged auxiliary blades are fixedly connected to both sides of the stirring blade.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. By setting a fixing plate, a stirring arm body, a stirring blade and a reinforcement component, the reinforcement block and the contact groove can contact the stirring arm body, and the reinforcement block can squeeze the first spring to deform it. The thrust generated by the deformation of the first spring can be used to push the reinforcement block to fix the stirring arm body, and at the same time, the probability of a large-scale shaking of the stirring arm body can be reduced, and the stirring arm body can be prevented from being separated from the motor. The shape of the contact groove is V-shaped, and stirring arm bodies of different sizes can be reinforced, which can increase the scope of application, thereby greatly improving the practicality of the device;
[0016] 2. By providing a mounting component, the mounting cylinder can be fixed to different positions on the stirring arm body through the mounting hole and the second bolt, the connecting plate on one side of the stirring blade can be inserted into the connecting port, and the stirring blade can be fixed to the mounting cylinder through the first bolt. The stirring blade is fixed by the first bolt, and when the stirring blade is worn, the worn stirring blade can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;
[0018] Figure 2 A left side view provided for the utility model;
[0019] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;
[0020] Figure 4 The utility model provides Figure 3 The enlarged view of point B in the middle;
[0021] Figure 5 The utility model provides Figure 3 Enlarged view of point C in the middle;
[0022] Figure 6 The utility model provides Figure 3 The enlarged view of point D in the middle;
[0023] Figure 7 This is a three-dimensional structural schematic diagram of the installation tube, connection port and socket provided by the utility model.
[0024] In the figure: 1, fixed plate; 11, stirring arm body; 12, stirring blade; 21, fixed block; 22, extrusion groove; 23, extrusion rod; 24, reinforcement block; 25, contact groove; 26, first spring; 31, mounting tube; 32, connecting port; 33, connecting plate; 34, first bolt; 41, moving groove; 42, moving block; 43, screw; 51, fixed plate; 52, locking tooth; 53, fixing tooth; 54, horizontal plate; 55, pull rod; 56, pull plate; 57, second spring; 61, mounting hole; 62, plug hole; 63, second bolt; 71, vertical plate; 72, driving rod; 121, auxiliary blade. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5The utility model provides a technical solution: an anti-loosening concrete mixing arm, comprising a fixing plate 1, a mixing arm body 11 and a mixing blade 12, a reinforcing component for reducing the shaking of the mixing arm body 11 is provided on the fixing plate 1, and a mounting component is provided between the mixing blade 12 and the mixing arm body 11, the reinforcing component comprises a fixing block 21 respectively arranged on both sides of the fixing plate 1, an extrusion groove 22 opened on one side of the fixing block 21, an extrusion rod 23 arranged in the extrusion groove 22, a reinforcing block 24 fixedly connected to one end of the extrusion rod 23, a contact groove 25 opened on one side of the reinforcing block 24, a first spring 26 sleeved on the outer side of the extrusion rod 23 and a driving component for moving the reinforcing block 24, the extrusion rod 23 is slidably connected to the extrusion groove 22, and the first spring 2 The two ends of the contact groove 25 are respectively fixedly connected with the fixed block 21 and the reinforcement block 24. The cross-sectional shape of the contact groove 25 is V-shaped. The contact groove 25 can contact the stirring arm body 11. The reinforcement block 24 can drive the first spring 26 to deform. The extrusion rod 23 can prevent the first spring 26 from tilting when deforming. The thrust generated by the deformation of the first spring 26 can drive the reinforcement block 24 to reinforce the stirring arm body 11, which can reduce the large-scale shaking of the stirring arm body 11 and prevent the stirring arm body 11 from being separated from the motor, so as to ensure its working stability. The driving components include moving grooves 41 respectively opened on both sides of the top of the fixed plate 1, moving blocks 42 connected to the moving grooves 41, screws 43 connected to the moving blocks 42, and locking components for preventing the screws 43 from rotating. The rod 43 is screwed to the moving block 42, the screw 43 is rotatably connected to the fixed plate 1, the moving block 42 is slidably connected to the moving groove 41, the top of the moving block 42 is fixedly connected to the bottom of the fixed block 21, the rotation of the screw 43 can control the movement of the moving block 42, the movement of the moving block 42 can drive the fixed block 21 to move, and then drive the reinforcement block 24 to move, which can facilitate the reinforcement of stirring arm bodies 11 of different sizes. The locking component includes a fixed plate 51 fixedly connected to the outer side of the screw 43, a plurality of locking teeth 52 arranged in a circle on the outer side of the fixed plate 51, a fixed tooth 53 matched with the locking tooth 52, a horizontal plate 54 fixedly connected to both sides of the fixed plate 1 respectively, a pull rod 55 fixedly connected to the bottom of the fixed tooth 53, and a pull rod 55 fixedly connected to the bottom of the pull rod 55 The pull plate 56 and the second spring 57 sleeved on the outside of the pull rod 55, the pull rod 55 passes through the horizontal plate 54 and is slidably connected to the horizontal plate 54, and the two ends of the second spring 57 are fixedly connected to the fixed teeth 53 and the horizontal plate 54 respectively. By pulling the pull plate 56, the pull rod 55 and the fixed teeth 53 can be moved down, and the fixed teeth 53 can be disengaged from the locking teeth 52 when they move down. At this time, the screw 43 is released, and the screw 43 can be rotated to adjust the position of the reinforcement block 24. The reset of the second spring 57 can drive the fixed teeth 53 to be stuck between the two locking teeth 52, which can lock the screw 43, thereby preventing the screw 43 from rotating, which can facilitate the displacement of the reinforcement block 24, and further improve the reinforcement performance of the stirring arm body 11. One end of the screw 43 is fixedly connected with a vertical plate 71.A driving rod 72 is fixedly connected to one side of the vertical plate 71. The driving rod 72 can drive the vertical plate 71 to rotate, and then the screw rod 43 can be easily driven to rotate, and then the position of the reinforcement block 24 can be controlled, so as to facilitate the reinforcement of the stirring arm body 11 of different sizes. A plurality of evenly arranged auxiliary blades 121 are fixedly connected to both sides of the stirring blade 12, respectively. The auxiliary blades 121 can assist the stirring blade 12 in stirring and mixing the concrete. The mixing efficiency can be improved.
[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 6 as well as Figure 7 The mounting components include a mounting tube 31 sleeved on the outside of the stirring arm body 11, connection ports 32 respectively opened on both sides of the mounting tube 31, a connecting plate 33 fixedly connected to one side of the stirring blade 12, and a first bolt 34 connected to the connecting plate 33. The connecting plate 33 is plugged into the connection port 32, and the connecting plate 33 on one side of the stirring blade 12 can be inserted into the connection port 32. The first bolt 34 can be used to stably fix the connecting plate 33 and the mounting tube 31, and then the stirring blade 12 can be fixed to the mounting tube 31, so that the concrete can be easily stirred, and the stirring blade can be easily stirred. After the sheet 12 is worn, the first bolt 34 can be removed, and the stirring blade 12 can be taken off, so that the stirring blade 12 can be easily replaced. A plurality of evenly arranged mounting holes 61 are provided on the outer side of the stirring arm body 11, and plug holes 62 are provided on both sides of the mounting cylinder 31. Second bolts 63 are installed on the plug holes 62 and the mounting holes 61. The second bolt 63 can be inserted into the mounting holes 61 and the plug holes 62, so that the mounting cylinder 31 and the stirring arm body 11 can be stably fixed. There are multiple mounting holes 61, and the mounting cylinder 31 can be fixed to different positions of the stirring arm body 11.
[0028] Working principle: During operation, the pull plate 56 is pulled, and the pull plate 56 can drive the fixed tooth 53 to move downward, and the fixed tooth 53 moves downward to deform the second spring 57, and the fixed tooth 53 disengages from the locking tooth 52. At this time, the screw 43 is released, and the driving rod 72 can be rotated, and the driving rod 72 can drive the vertical plate 71 to rotate, and the vertical plate 71 can drive the screw 43 to rotate, and the rotation of the screw 43 can drive the moving block 42 to move, and the movement of the moving block 42 can drive the fixed block 21 to move, and the movement of the fixed block 21 can drive the reinforcement block 24 to move, so that the contact groove 25 contacts the stirring arm body 11. As the fixed block 21 continues to move, the first spring 26 is deformed by force, and a reaction force can be generated to push the reinforcement block 24 to reinforce the stirring arm body 11. Then the pull plate 56 is released, and the second spring 57 is reset at this time, which can drive the fixed tooth 53 to reset, so that the fixed tooth 53 is stuck in the two locking teeth 5 2, and then the screw 43 can be fixed to prevent the screw 43 from rotating, and then the reinforcement block 24 can be prevented from moving, and then the shaking amplitude of the stirring arm body 11 can be reduced to prevent the stirring arm body 11 from being separated from the motor. Then, according to needs, the mounting cylinder 31 can be put on the outside of the stirring arm body 11 so that the mounting hole 61 is aligned with the plug hole 62, and then the mounting cylinder 31 and the stirring arm body 11 are fixed by the second bolt 63, and then the connecting plate 33 on one side of the stirring blade 12 is inserted into the connecting port 32, and then the connecting plate 33 and the mounting cylinder 31 are connected and fixed by the first bolt 34. When replacing the worn stirring blade 12 later, only the first bolt 34 needs to be unscrewed to quickly replace the stirring blade 12. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A loose-proof concrete stirring arm, comprising a fixing plate (1), a stirring arm body (11) and a stirring blade (12), characterized in that: The fixing plate (1) is provided with a reinforcing component for reducing the shaking of the stirring arm body (11), and a mounting component is provided between the stirring blade (12) and the stirring arm body (11); The reinforcing component comprises a fixing block (21) respectively arranged on both sides of the fixing plate (1), an extrusion groove (22) opened on one side of the fixing block (21), an extrusion rod (23) arranged in the extrusion groove (22), a reinforcing block (24) fixedly connected to one end of the extrusion rod (23), a contact groove (25) opened on one side of the reinforcing block (24), a first spring (26) sleeved on the outside of the extrusion rod (23), and a driving component for moving the reinforcing block (24); the extrusion rod (23) is slidably connected to the extrusion groove (22); two ends of the first spring (26) are respectively fixedly connected to the fixing block (21) and the reinforcing block (24); and the cross-sectional shape of the contact groove (25) is V-shaped.
2. The anti-loosening concrete stirring arm according to claim 1, characterized in that: The mounting component comprises a mounting tube (31) sleeved on the outside of the stirring arm body (11), connection ports (32) respectively provided on both sides of the mounting tube (31), a connection plate (33) fixedly connected to one side of the stirring blade (12), and a first bolt (34) connected to the connection plate (33), wherein the connection plate (33) is plugged into the connection port (32).
3. The anti-loosening concrete stirring arm according to claim 1, characterized in that: The driving component comprises moving grooves (41) respectively provided on both sides of the top of the fixed plate (1), a moving block (42) connected to the moving groove (41), a screw rod (43) connected to the moving block (42), and a locking component for preventing the screw rod (43) from rotating, wherein the screw rod (43) is screwed to the moving block (42), the screw rod (43) is rotationally connected to the fixed plate (1), the moving block (42) is slidably connected to the moving groove (41), and the top of the moving block (42) is fixedly connected to the bottom of the fixed block (21).
4. The anti-loosening concrete stirring arm according to claim 3, characterized in that: The locking component comprises a fixed plate (51) fixedly connected to the outer side of the screw rod (43), a plurality of locking teeth (52) arranged in a circumferential manner on the outer side of the fixed plate (51), a fixed tooth (53) matched with the locking tooth (52), a transverse plate (54) fixedly connected to both sides of the fixed plate (1), a pull rod (55) fixedly connected to the bottom of the fixed tooth (53), a pull plate (56) fixedly connected to the bottom of the pull rod (55), and a second spring (57) sleeved on the outer side of the pull rod (55), the pull rod (55) passes through the transverse plate (54) and is slidably connected to the transverse plate (54), and the two ends of the second spring (57) are fixedly connected to the fixed tooth (53) and the transverse plate (54), respectively.
5. The anti-loosening concrete stirring arm according to claim 2, characterized in that: The outer side of the stirring arm body (11) is provided with a plurality of evenly arranged mounting holes (61), and both sides of the mounting cylinder (31) are provided with insertion holes (62), and second bolts (63) are installed on the insertion holes (62) and the mounting holes (61).
6. The anti-loosening concrete stirring arm according to claim 3, characterized in that: One end of the screw rod (43) is fixedly connected to a vertical plate (71), and one side of the vertical plate (71) is fixedly connected to a driving rod (72).
7. The anti-loosening concrete mixing arm according to claim 1, characterized in that: A plurality of evenly arranged auxiliary blades (121) are fixedly connected to both sides of the stirring blade (12).