CN209837707U

CN209837707U - Portable trailer pump

Info

Publication number: CN209837707U
Application number: CN201920228540.3U
Authority: CN
Inventors: 胡文华
Original assignee: Dongguan Foersheng Intelligent Electromechanical Co Ltd
Current assignee: Dongguan Foersheng Intelligent Electromechanical Co Ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2019-12-24
Anticipated expiration: 2029-02-21

Abstract

The utility model relates to a concrete construction equipment technical field, concretely relates to portable pump that drags, including the pump body, still including the base that is used for bearing the pump body, locate the inside a plurality of wheel of base, be used for respectively driving the wheel to a plurality of elevating gear that is close to the pump body or keeps away from the direction motion of the pump body and be used for driving the drive arrangement that a plurality of elevating gear goes up and down simultaneously, the base has been seted up and has been supplied the wheel to stretch out the outside through-hole of base, one side of keeping away from the pump body is located to the through-hole, and it has the function of convenient fixing and removing, is applicable to the demand that shifts the job site at.

Description

Portable trailer pump

Technical Field

The utility model relates to a concrete construction equipment technical field, concretely relates to portable trailer pump.

Background

The trailer pump truck, also called "trailer pump", is a high-efficiency concrete construction equipment for continuously conveying concrete to a pouring construction site through a horizontal or vertical laid pipeline, and is indispensable in concrete mechanized construction.

The general weight of current trailer pump is great, for the wheel extension its life of protection trailer pump, and the trailer pump generally fixes through the supporting leg, but when using the supporting leg to fix, need rise the leading wheel to earlier, then make the trailer pump incline forward, then fall the back supporting leg of trailer pump, again with leading wheel and preceding supporting leg to descending, the operating procedure is loaded down with trivial details, inefficiency.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a portable pump that drags, it has the function of convenient fixed and removal, is applicable to the demand that shifts the job site at any time, is favorable to improving the efficiency of construction.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a portable pump that drags, includes the pump body, its still including the base that is used for bearing the pump body, locate the inside a plurality of wheel of base, be used for respectively driving the wheel to being close to the pump body or keeping away from a plurality of elevating gear of the direction motion of the pump body and being used for driving the drive arrangement that a plurality of elevating gear goes up and down simultaneously, the base is seted up and is supplied the wheel to stretch out the outside through-hole of base, the one side of keeping away from the pump body is located to the through-.

Furthermore, the lifting device comprises a screw rod, a lifting sleeve and a limiting assembly, the lifting sleeve is sleeved outside the screw rod and in threaded connection with the screw rod, the limiting assembly is used for blocking the rotation of the lifting sleeve, the wheel is in threaded connection with one end of the lifting sleeve, which is close to the through hole, and the driving device drives the screw rod to rotate.

Further, spacing subassembly is including locating the stopper of lift cover lateral wall, fixed limiting plate of locating in the base and seting up the spacing groove on the limiting plate, the spacing groove sets up along the length direction of screw rod, the stopper slides and locates the spacing inslot.

Furthermore, the driving device comprises a plurality of gears respectively connected with the screw rod, a rack which is simultaneously sleeved on the plurality of gears and meshed with the gears, and a driving piece for driving the gears to rotate, wherein the driving piece is fixedly connected with the base.

Further, be equipped with damper between wheel and the lift cover, damper includes that the clamp locates the connecting piece and the spring that both ends are connected connecting piece and lift cover respectively of the U-shaped of wheel double-phase contralateral side and with wheel axle center rotation connection.

Further, damper still includes the guide, outside the guide was located to the spring housing, the guide includes guide bar and guide holder, supply guide bar male guide way has been seted up to the guide holder, the guide bar is kept away from the one end of guide holder and is connected with the lift cover, the guide holder is kept away from the one end of guide bar and is connected with the connecting piece.

The beneficial effects of the utility model reside in that:

the utility model is provided with the base, and the wheels, the lifting device and the driving device are arranged in the base, when the towed concrete pump truck needs to move, the guide wheel is lowered, the driving device is started, the driving device drives the lifting device to move downwards, and the wheels are pushed to move downwards, the wheels move to the outside of the base through the through holes and are matched with the guide wheels to enable the base to be far away from the ground, the towed concrete pump truck can move through the guide wheels and the wheels, when the towed concrete pump truck is moved to a construction site, only the wheels outside the base are required to be collected into the base through the matching of the driving device and the lifting device, and because the contact area between the base and the ground is larger, the structure is more stable, and when the towed concrete pump truck is fixed, the guide wheels and the wheels are only required to be lifted simultaneously, so that the operation is more convenient, and the work efficiency is favorably improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the base according to the embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the driving device;

fig. 4 is a cross-sectional view of the guide.

The reference signs are: 1. a pump body; 2. a base; 21. a through hole; 3. a hopper; 4. a traction frame; 5. a guide wheel; 6. a wheel; 7. a lifting device; 71. a screw rod; 72. a lifting sleeve; 73. a limiting component; 731. a limiting block; 732. a limiting plate; 733. a limiting groove; 8. a drive device; 81. a gear; 82. a rack; 83. a drive member; 9. a shock absorbing assembly; 91. a connecting member; 92. a spring; 93. a guide member; 94. a guide bar; 95. a guide seat; 96. and (4) a guide channel.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

For convenience of description, the terms "upper" and "lower" are used in the same direction as the upper and lower directions of the drawings, but do not limit the structure of the present invention.

Examples

The utility model provides a portable trailer pump, as shown in fig. 1 and 2, including the pump body 1, be used for bearing the base 2 of the pump body 1, hopper 3 and traction frame 4 be connected with base 2, locate leading wheel 5 on traction frame 4, locate the inside a plurality of wheel 6 of base 2, be used for driving wheel 6 respectively to being close to the pump body 1 or keeping away from a plurality of elevating gear 7 of the direction motion of the pump body 1 and be used for driving the drive arrangement 8 that a plurality of elevating gear 7 goes up and down simultaneously, base 2 is seted up and is supplied wheel 6 to stretch out the outside through-hole 21 of base 2, one side of keeping away from the pump body 1 is located to through-hole 21.

The utility model discloses an at 2 inside wheels 6 that set up of base, elevating gear 7 and drive arrangement 8, when the towed concrete pump truck need remove, with leading wheel 5 drop, start drive arrangement 8, make 8 drive elevating gear 7 downstream of drive arrangement, and promote 6 downstream of wheel, wheel 6 moves to 2 outsides of base and mutually supports with leading wheel 5 through-hole 21 and makes base 2 keep away from ground, towed concrete pump truck accessible leading wheel 5 this moment and wheel 6 remove, easy operation. When will drag formula mobile concrete pump to the job site, start drive arrangement 8, make 8 drive elevating gear 7 of drive arrangement rise, elevating gear 7 rises and further drives 6 upward movements of wheel and is taken in inside base 2 through-hole 21, make 2 direct support of base drag formula mobile concrete pump, support pump body 1 through base 2 and compare and support pump body 1 through the supporting leg, because base 2 is great with the area of contact on ground, its structure is more firm, and when fixing drag formula mobile concrete pump, only need to rise simultaneously leading wheel 5 and wheel 6 alright, it is more convenient to operate, be favorable to improving work efficiency.

Specifically, in this embodiment, in order to save the manufacturing cost, two wheels 6 and two lifting devices 7 are respectively disposed in the base 2, and in other embodiments, the number of the wheels 6 in the base 2 may be three or four.

The lifting device 7 comprises a screw rod 71, a lifting sleeve 72 sleeved outside the screw rod 71 and in threaded connection with the screw rod 71, and a limiting assembly 73 for blocking the rotation of the lifting sleeve 72, the wheel 6 is in threaded connection with one end of the lifting sleeve 72 close to the through hole 21, and the driving device 8 drives the screw rod 71 to rotate.

When the lifting device is used, the driving device 8 drives the screw rod 71 to rotate, when the screw rod 71 rotates, the lifting sleeve 72 does not rotate under the blocking effect of the limiting assembly 73, the screw rod 71 is in threaded connection with the lifting sleeve 72 sleeved outside the screw rod 71, so that the lifting sleeve 72 can provide upward or downward thrust for the lifting sleeve 72 when the screw rod 71 rotates, the lifting sleeve 72 moves upward or downward under the effects of the screw rod 71 and the limiting assembly 73, and the wheels 6 are driven to move upward or downward, and the structure is stable.

The limiting component 73 comprises a limiting block 731 arranged on the outer side wall of the lifting sleeve 72, a limiting plate 732 fixedly arranged in the base 2 and a limiting groove 733 arranged on the limiting plate 732, the limiting groove 733 is arranged along the length direction of the screw rod 71, and the limiting block 731 is arranged in the limiting groove 733 in a sliding manner.

The cooperation of the limiting block 731 arranged on the lifting sleeve 72 and the limiting groove 733 arranged on the limiting plate 732 stabilizes the lifting movement of the lifting sleeve 72 more and prevents shaking, and the limiting block 731 and the limiting groove 733 are matched to guide the lifting sleeve 72.

Specifically, the two opposite sides of the lifting sleeve 72 are provided with the limiting assemblies 73, so that the stability of the lifting device 7 is improved, and the situation that the limiting blocks 731 are separated from the limiting grooves 733 is avoided. And stopper 731 locates the upper end of lift cover 72, compares when locating stopper 731 in the middle part or the lower part of lift cover 72, more is favorable to improving the lift range of lift cover 72, the lift of the wheel 6 of being convenient for.

Referring to fig. 3, the driving device 8 includes two gears 81 respectively connected to the lead screw 71, a rack 82 simultaneously sleeved on the two gears 81 and engaged with the gears 81, and a driving member 83 for driving the gears 81 to rotate, the driving member 83 is a motor, and the driving member 83 is fixedly connected to the base 2. The rack 82 and the gear 81 are more stably matched, so that the phenomenon of slipping does not occur during rotation, the screw rod 71 is further stably rotated, and the lifting device 7 and the wheels 6 can be more favorably lifted.

As shown in fig. 2, a damping assembly 9 is disposed between the wheel 6 and the lifting sleeve 72, and the damping assembly 9 includes a U-shaped connecting member 91 disposed on two opposite sides of the wheel 6 and rotatably connected to an axis of the wheel 6, and a spring 92 having two ends respectively connected to the connecting member 91 and the lifting sleeve 72. Because the ground of the construction site is mostly not very level, the arrangement of the damping component 9 ensures that the towed concrete pump truck is not easy to vibrate when moving, the elastic action of the spring 92 can effectively disperse and reduce the impact force of the ground and the wheels 6 on the devices in the base 2, the pump body 1 and the like, and simultaneously can also reduce the pressure of the devices in the pump body 1 and the base 2 on the wheels 6, thereby being beneficial to protecting the pump body 1 and prolonging the service life of the towed concrete pump truck.

With reference to fig. 4, the damping assembly 9 further includes a guide 93, the spring 92 is sleeved outside the guide 93, the guide 93 includes a guide rod 94 and a guide seat 95, the guide seat 95 is provided with a guide channel 96 for inserting the guide rod 94, one end of the guide rod 94 far away from the guide seat 95 is connected to the lifting sleeve 72, and one end of the guide seat 95 far away from the guide rod 94 is connected to the connecting member 91.

When the spring 92 is sleeved outside the guide member 93, the spring 92 can be prevented from bending and deforming during compression, so that the wheel 6 is inclined to influence the movement of the trailer concrete pump truck and damage the wheel 6.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. A portable trailer pump, includes the pump body, its characterized in that: still including the base that is used for bearing the pump body, locate the inside a plurality of wheel of base, be used for driving the wheel respectively to being close to the pump body or keeping away from a plurality of elevating gear of the direction motion of the pump body and being used for driving the drive arrangement that a plurality of elevating gear goes up and down simultaneously, the base is seted up and is supplied the wheel to stretch out the outside through-hole of base, the one side of keeping away from the pump body is located to the through-hole.

2. A portable trailer pump as defined in claim 1, wherein: the lifting device comprises a screw rod, a lifting sleeve and a limiting assembly, wherein the lifting sleeve is sleeved outside the screw rod and is in threaded connection with the screw rod, the limiting assembly is used for blocking the lifting sleeve to rotate, the wheel is in threaded connection with one end of the lifting sleeve, which is close to the through hole, and the driving device drives the screw rod to rotate.

3. A portable trailer pump as defined in claim 2, wherein: the limiting assembly comprises a limiting block arranged on the outer side wall of the lifting sleeve, a limiting plate fixedly arranged in the base and a limiting groove arranged on the limiting plate, the limiting groove is arranged along the length direction of the screw rod, and the limiting block is arranged in the limiting groove in a sliding manner.

4. A portable trailer pump as defined in claim 2, wherein: the driving device comprises a plurality of gears respectively connected with the screw rod, a rack which is simultaneously sleeved on the plurality of gears and meshed with the gears, and a driving piece used for driving the gears to rotate, wherein the driving piece is fixedly connected with the base.

5. A portable trailer pump as defined in claim 2, wherein: and a damping component is arranged between the wheel and the lifting sleeve and comprises a U-shaped connecting piece and a spring, wherein the U-shaped connecting piece is arranged on two opposite sides of the wheel in a clamping manner and is rotatably connected with the axle center of the wheel, and the spring is connected with the connecting piece and the lifting sleeve at two ends respectively.

6. A portable trailer pump as defined in claim 5, wherein: the shock-absorbing component further comprises a guide piece, the spring sleeve is arranged outside the guide piece, the guide piece comprises a guide rod and a guide seat, a guide channel for inserting the guide rod is formed in the guide seat, one end, far away from the guide seat, of the guide rod is connected with the lifting sleeve, and one end, far away from the guide rod, of the guide seat is connected with the connecting piece.