CN215890431U

CN215890431U - Concrete piston quick connecting device based on concrete pump

Info

Publication number: CN215890431U
Application number: CN202121349598.7U
Authority: CN
Inventors: 王和林
Original assignee: Nanjing Shengtai Engineering Machinery Co ltd
Current assignee: Nanjing Shengtai Engineering Machinery Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-02-22
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a concrete piston quick connecting device based on a concrete delivery pump, which comprises: a locking mechanism and a damping mechanism; the damping mechanism is fixedly arranged in the locking mechanism; the locking mechanism locks one end of the piston and supports the side face of the piston, so that the moment of the supporting force applied to the piston is shortened, the swinging of the piston is relieved, meanwhile, the locking mechanism pushes the damping mechanism to move, the impact force applied to the piston can be always transmitted to the damping mechanism, and the impact force applied to the piston is relieved. According to the utility model, the stud moves along the thread of the inner wall of the solenoid, and meanwhile, a worker compresses the pressing plate at the intersection of the guide groove and the fixing groove through the steel wire, so that the steel wire and the pressing plate are matched with the stud to support the piston rod, and the moment of the piston rod subjected to the supporting force is shortened, thereby realizing the function of relieving the swing of the piston rod and avoiding the piston rod from rubbing the inner wall of the cylinder.

Description

Concrete piston quick connecting device based on concrete pump

Technical Field

The utility model relates to the technical field of concrete delivery pumps, in particular to a concrete piston quick connecting device based on a concrete delivery pump.

Background

The concrete pump piston is a piston guide ring, and the piston is arranged on both the concrete piston and the main oil cylinder piston. The swing oil cylinder is also arranged. The function of all guide rings and guide bands is the same. Because the piston (metal) and the inner wall (metal) of the cylinder can not be in direct contact friction, the whole casting process is complicated, and the detachable concrete piston is convenient to install. Therefore, a concrete piston quick connecting device based on a concrete conveying pump is very necessary.

However, the existing concrete piston quick connecting device of the concrete delivery pump is usually installed by bolts and clamps, so that the moment when the piston rod is stressed is long, the piston rod is easy to swing, and the piston is easy to rub the inner wall of the cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concrete piston quick connecting device based on a concrete conveying pump, and aims to solve the problems that the existing concrete piston quick connecting device of the concrete conveying pump in the background art is often installed by bolts and hoops, so that the piston rod is easy to swing due to long moment when the piston rod is stressed, and the piston is easy to rub the inner wall of a cylinder.

In order to achieve the purpose, the utility model provides the following technical scheme: the method comprises the following steps: a locking mechanism and a damping mechanism; the damping mechanism is fixedly arranged in the locking mechanism; the locking mechanism locks one end of the piston and supports the side face of the piston, so that the moment of the supporting force applied to the piston is shortened, the swinging of the piston is relieved, meanwhile, the locking mechanism pushes the damping mechanism to move, the impact force applied to the piston can be always transmitted to the damping mechanism, and the impact force applied to the piston is relieved.

Further, in order to facilitate the staff to lock the piston rod through the screw pipe matching with the stud, the locking mechanism comprises: mount pad, solenoid, double-screw bolt, guide way, fixed slot, clamp plate, steel wire, solenoid fixed mounting be in the one end of mount pad, the side of double-screw bolt rotate connect in the solenoid, the guide way with the fixed slot is all seted up the outer wall of solenoid side, clamp plate slidable mounting be in the inside of guide way, steel wire slidable mounting be in the inside of fixed slot.

Furthermore, for the convenience of staff passing through the clamp plate cooperation the steel wire supports the piston rod, the axis of mount pad with the axis coincidence of solenoid, the side of solenoid inner wall rotate connect in the double-screw bolt, the guide way perpendicular to the fixed slot, the clamp plate is "L" shape structure.

Further, in order to facilitate the staff to push the supporting plate through the spring, the damping mechanism comprises: the mounting structure comprises a mounting cavity, a telescopic rod, a spring, a supporting plate and a rubber pad, wherein the mounting cavity is formed in the mounting seat, one end of the telescopic rod and one end of the spring are fixedly connected to the mounting seat, the other end of the telescopic rod and the other end of the spring are fixedly connected to the supporting plate, and the rubber pad is fixedly mounted on one side of the supporting plate.

Furthermore, in order to facilitate workers to relieve the impact force between the supporting plate and the stud through the rubber pad, the telescopic rod is parallel to the solenoid, the diameter of the supporting plate is larger than the inner diameter of the solenoid, and one side, far away from the telescopic rod, of the supporting plate is fixedly connected to the rubber pad.

Further, in order to facilitate the staff to pass through the sealing washer cooperation the piston rod seals the solenoid still includes: piston rod, sealing washer, flange piece, pinhole, the one end fixed connection of piston rod in the double-screw bolt, the sealing washer fixed mounting be in the one end of solenoid, flange piece fixed mounting be in the outer wall of mount pad one side, the pinhole sets up the side of flange piece.

Furthermore, for the convenience of staff pass through the pinhole with flange piece both will mount pad fixed mounting is in the inside of concrete pump, the size of sealing washer internal diameter is less than the size of solenoid internal diameter, the solenoid is kept away from the one end fixed connection of mount pad in the sealing washer, the pinhole with leave the space between the mount pad.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides the locking mechanism, the stud moves along the thread on the inner wall of the solenoid, so that the stud drives the piston rod to enter the solenoid, a part of the piston rod is exposed out of the solenoid, meanwhile, the worker moves the pressing plate through the guide groove, so that the thick end of the pressing plate presses the piston rod, then, the worker sets a steel wire through the fixing groove, so that the steel wire presses the pressing plate at the intersection of the guide groove and the fixing groove, the two ends of the steel wire are pressed into the fixing groove, thereby the steel wire and the pressure plate are matched with the stud to support the piston rod, the moment of the support force applied to the piston rod is shortened, the function of relieving the swing of the piston rod is realized, the piston rod is prevented from rubbing the inner wall of the cylinder, the stud is connected through the rubber pad, the function of locking the piston rod and pushing the damping mechanism to move is realized, therefore, the impact force applied to the piston rod can be always transmitted to the rubber pad and the supporting plate through the stud.

2. According to the utility model, the shock absorption mechanism is provided, the stud penetrates through the installation cavity, so that the impact force between the stud and the support plate is relieved by the rubber pad and the spring, the stud pushes the support plate, then the support plate extrudes the telescopic rod and the spring, the rubber pad and the support plate can be always attached to the stud, the function of conveniently relieving the impact force on the piston rod is realized, and the piston rod is prevented from rubbing the inner wall of the cylinder due to the deflection of the impact force.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a front sectional view of the embodiment of FIG. 1;

FIG. 3 is a schematic front view of a stud in the embodiment of FIG. 1;

FIG. 4 is a schematic front view of the platen in the embodiment of FIG. 1;

fig. 5 is a partial front view structure diagram in the embodiment of fig. 1.

Reference numerals: 1. a locking mechanism; 101. a mounting seat; 102. a solenoid; 103. a stud; 104. a guide groove; 105. fixing grooves; 106. pressing a plate; 107. a steel wire; 2. a damping mechanism; 201. a mounting cavity; 202. a telescopic rod; 203. a spring; 204. a support plate; 205. a rubber pad; 3. a piston rod; 4. a seal ring; 5. a flange sheet; 6. a pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a concrete piston quick-connecting device based on a concrete pump includes: the locking mechanism 1 and the damping mechanism 2; damper 2 fixed mounting still includes in the inside of locking mechanism 1: piston rod 3, sealing washer 4, flange piece 5, pinhole 6, locking mechanism 1 includes: the mounting seat 101, the screw tube 102, the screw bolt 103, the guide groove 104, the fixing groove 105, the pressing plate 106 and the steel wire 107, one end of the piston rod 3 is welded to the screw bolt 103, a worker moves the piston rod 3 through the screw bolt 103, the screw tube 102 is fixedly mounted at one end of the mounting seat 101, the central axis of the mounting seat 101 coincides with the central axis of the screw tube 102, the side surface of the inner wall of the screw tube 102 is in threaded connection with the screw bolt 103, the side surface of the screw bolt 103 is in threaded connection with the screw tube 102, so that the screw bolt 103 moves along the thread of the inner wall of the screw tube 102, the sealing ring 4 is fixedly mounted at one end of the screw tube 102, the inner diameter of the sealing ring 4 is smaller than the inner diameter of the screw tube 102, one end of the screw tube 102 far away from the mounting seat 101 is fixedly connected to the sealing ring 4, the inner wall of the sealing ring 4 is in sliding connection with the piston rod 3, a gap formed between the screw tube 102 and the piston rod 3 is sealed by the sealing ring 4, so as to prevent dust from entering the screw tube 102 and blocking the thread, thereby the stud 103 drives the piston rod 3 to enter the interior of the solenoid 102, a part of the piston rod 3 is exposed from the solenoid 102, the guide groove 104 and the fixing groove 105 are both arranged on the outer wall of the side surface of the solenoid 102, the pressing plate 106 is slidably arranged in the guide groove 104, meanwhile, a worker moves the pressing plate 106 through the guide groove 104, the pressing plate 106 is of an L-shaped structure, so that the thick end of the pressing plate 106 presses the piston rod 3, the steel wire 107 is slidably arranged in the fixing groove 105, the guide groove 104 is perpendicular to the fixing groove 105, then the worker sets the steel wire 107 through the fixing groove 105, so that the steel wire 107 presses the pressing plate 106 at the intersection of the guide groove 104 and the fixing groove 105, the two ends of the steel wire 107 are pressed into the fixing groove 105, thereby the steel wire 107 and the pressing plate 106 are matched with the stud 103 to support the piston rod 3, and the moment of the piston rod 3 subjected to the supporting force is shortened, thereby realizing the function of relieving the swing of the piston rod 3, avoiding the piston rod 3 rubbing against the inner wall of the cylinder.

Flange piece 5 fixed mounting is in the outer wall of mount pad 101 one side, and pinhole 6 is seted up in the side of flange piece 5, leaves the space between pinhole 6 and the mount pad 101, and the staff installs mount pad 101 in the jar through

flange piece

5 and 6 cooperation bolts of pinhole.

The damper mechanism 2 includes: the installation cavity 201, the telescopic rod 202, the spring 203, the support plate 204 and the rubber pad 205, the rubber pad 205 is fixedly installed on one side of the support plate 204, one side of the support plate 204 far away from the telescopic rod 202 is fixedly connected to the rubber pad 205, a worker contacts the stud 103 through the rubber pad 205, the installation cavity 201 is arranged inside the installation seat 101, the stud 103 penetrates through the installation cavity 201, one end of the telescopic rod 202 and one end of the spring 203 are fixedly connected to the installation seat 101, the other end of the telescopic rod 202 and the other end of the spring 203 are fixedly connected to the support plate 204, so that impact force between the stud 103 and the support plate 204 is relieved by the rubber pad 205 and the spring 203, the telescopic rod 202 is parallel to the solenoid 102, the diameter of the support plate 204 is larger than the inner diameter of the solenoid 102, the stud 103 pushes the support plate 204, the support plate 204 extrudes the telescopic rod 202 and the spring 203, and the rubber pad 205 and the support plate 204 can be always attached to the stud 103, therefore, the impact force applied to the piston rod 3 can be always transmitted to the rubber pad 205 and the support plate 204 through the stud 103, so that the function of conveniently relieving the impact force applied to the piston rod 3 is realized, and the piston rod 3 is prevented from rubbing the inner wall of the cylinder due to the deflection of the impact force.

The worker shears the steel wire 107 and takes down the pressing plate 106, and then the worker reverses the stud 103 to separate the piston rod 3 from the solenoid 102, so that the worker replaces a new piston rod 3, and the function of quickly connecting the concrete piston is realized.

In conclusion, the utility model provides a concrete piston quick connecting device based on a concrete conveying pump, in operation, the operator moves the piston rod 3 by means of the stud 103, so that the stud 103 follows the thread of the inner wall of the screw 102, so that the stud 103 drives the piston rod 3 into the interior of the solenoid 102, a portion of the piston rod 3 is exposed from the interior of the solenoid 102, and at the same time, the worker moves the pressing plate 106 through the guide groove 104, so that the thick end of the pressing plate 106 presses the piston rod 3, then, the worker sets the wire 107 through the fixing groove 105 such that the wire 107 presses the pressing plate 106 at the intersection of the guide groove 104 and the fixing groove 105, both ends of the wire 107 are pressed into the inside of the fixing groove 105, therefore, the steel wire 107 and the pressing plate 106 are matched with the stud 103 to support the piston rod 3, the moment of the supporting force on the piston rod 3 is shortened, the swing of the piston rod 3 is relieved, and the piston rod 3 is prevented from rubbing the inner wall of the cylinder.

Then, the worker installs the mounting seat 101 in the cylinder through the flange piece 5 and the pin hole 6 matching with the bolt, meanwhile, the worker receives the stud 103 through the rubber pad 205, the stud 103 penetrates through the mounting cavity 201, so that the impact force between the stud 103 and the support plate 204 is relieved by the rubber pad 205 and the spring 203, the stud 103 pushes the support plate 204, the support plate 204 extrudes the telescopic rod 202 and the spring 203, so that the rubber pad 205 and the support plate 204 are always attached to the stud 103, so that the impact force received by the piston rod 3 is transmitted to the rubber pad 205 and the support plate 204 through the stud 103, the impact force received by the piston rod 3 is relieved, and the piston rod 3 is prevented from rubbing the inner wall of the cylinder due to impact force deflection.

Finally, the operator shears the wire 107 and removes the pressure plate 106, then the operator reverses the stud 103 so that the piston rod 3 is disengaged from the solenoid 102, and then the operator replaces the new piston rod 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete piston quick connecting device based on concrete pump which characterized in that includes: a locking mechanism (1) and a damping mechanism (2);

the damping mechanism (2) is fixedly arranged in the locking mechanism (1);

locking mechanism (1) locks the one end of piston and the side of support piston for the moment that the piston received the holding power shortens, and thereby the swing of piston is alleviated, simultaneously locking mechanism (1) promotes damper (2) motion, makes the impact force that the piston received can transmit all the time damper (2), thereby the impact force that the piston received is alleviated.

2. A concrete piston quick-connect device based on concrete pump according to claim 1, characterized in that said locking mechanism (1) comprises: mount pad (101), solenoid (102), double-screw bolt (103), guide way (104), fixed slot (105), clamp plate (106), steel wire (107), solenoid (102) fixed mounting be in the one end of mount pad (101), the side of double-screw bolt (103) rotate connect in solenoid (102), guide way (104) with fixed slot (105) are all seted up the outer wall of solenoid (102) side, clamp plate (106) slidable mounting be in the inside of guide way (104), steel wire (107) slidable mounting be in the inside of fixed slot (105).

3. A concrete piston quick-connecting device based on a concrete pump according to claim 2, characterized in that the central axis of the mounting seat (101) is coincident with the central axis of the screw tube (102), the side surface of the inner wall of the screw tube (102) is rotatably connected to the stud (103), the guide groove (104) is perpendicular to the fixing groove (105), and the pressing plate (106) is of an L-shaped structure.

4. A concrete piston quick-connect device based on concrete pump according to claim 3, characterized in that said shock-absorbing mechanism (2) comprises: installation cavity (201), telescopic link (202), spring (203), backup pad (204), rubber pad (205), installation cavity (201) is seted up the inside of mount pad (101), the one end of telescopic link (202) with the equal fixed connection in one end of spring (203) in mount pad (101), the other end of telescopic link (202) with the equal fixed connection in the other end of spring (203) in backup pad (204), rubber pad (205) fixed mounting be in one side of backup pad (204).

5. A concrete piston quick-connecting device based on a concrete conveying pump according to claim 4, characterized in that the telescopic rod (202) is parallel to the screw tube (102), the diameter of the support plate (204) is larger than the inner diameter of the screw tube (102), and the side of the support plate (204) far away from the telescopic rod (202) is fixedly connected with the rubber pad (205).

6. A concrete piston quick connect device based on concrete pump according to claim 5, characterized by that, also includes: piston rod (3), sealing washer (4), flange piece (5), pinhole (6), the one end fixed connection of piston rod (3) in double-screw bolt (103), sealing washer (4) fixed mounting be in the one end of screwed pipe (102), flange piece (5) fixed mounting be in the outer wall of mount pad (101) one side, pinhole (6) are seted up the side of flange piece (5).

7. A concrete piston quick-connecting device based on a concrete pump according to claim 6, characterized in that the size of the inner diameter of the sealing ring (4) is smaller than that of the inner diameter of the screw tube (102), one end of the screw tube (102) far away from the mounting seat (101) is fixedly connected to the sealing ring (4), and a gap is left between the pin hole (6) and the mounting seat (101).