CN212584592U

CN212584592U - Support frame for construction machinery

Info

Publication number: CN212584592U
Application number: CN202021039194.3U
Authority: CN
Inventors: 黄金章
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-23
Anticipated expiration: 2030-06-09

Abstract

The utility model belongs to the building equipment field, especially, support frame for construction machinery, the on-line screen storage device comprises a base, the top fixed mounting of base has the install bin, equal fixed mounting has the dead lever on two inner walls of install bin, first commentaries on classics hole is all seted up to one side of two dead levers, all rotates in the first commentaries on classics hole and installs first lead screw, the second is all seted up to the both sides of install bin and is changeed the hole, two seconds change downthehole rotation respectively and install second lead screw and third lead screw, the second lead screw all extends the second with the both ends of third lead screw and changes the one end fixed connection that the hole is close to each other just second lead screw and third lead screw, the second lead screw is located the below of dead lever and the screw direction of second lead screw and third lead screw sets up for opposite. The utility model discloses simple structure, convenient to use, the manual regulation backup pad of being convenient for height, with low costs, the in-service use effect is better.

Description

Support frame for construction machinery

Technical Field

The utility model relates to a building equipment field especially relates to a support frame for construction machinery.

Background

The construction machine is a general name of mechanical equipment used for engineering construction and urban and rural construction, and comprises various machines such as an excavating machine, a shovel soil transportation machine, a compaction machine, an engineering hoisting machine, a piling machine, a pavement machine, a concrete product machine, a steel bar grade prestress machine, a decoration machine, an overhead working machine and the like.

Application number is 201820020114.6's patent discloses a support frame for construction machinery, including base, supporting seat, hydraulic press, brake pedal and shock attenuation slipmat, the base upside is equipped with the supporting seat, the supporting seat upside is equipped with first hydraulic stem, second hydraulic stem, third hydraulic stem and fourth hydraulic stem, first hydraulic stem, second hydraulic stem, third hydraulic stem and fourth hydraulic stem are through welded connection in supporting seat, be equipped with the hydraulic press between supporting seat and the base, the base downside is equipped with brake pedal, brake pedal is through welded connection in base, the brake pedal downside is equipped with the shock attenuation slipmat.

However, the supporting effect of the supporting frame is achieved by the hydraulic rod, the cost is high, and the shock-absorbing anti-slip pad in the supporting frame is easy to wear in the long-time use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a support frame for construction machinery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a supporting frame for construction machinery comprises a base, wherein an installation box is fixedly installed at the top of the base, fixed rods are fixedly installed on two inner walls of the installation box, a first rotary hole is formed in one side of each of the two fixed rods, a first lead screw is rotatably installed in each first rotary hole, second rotary holes are formed in two sides of the installation box, a second lead screw and a third lead screw are rotatably installed in each of the two second rotary holes, two ends of each of the second lead screw and the third lead screw extend out of the second rotary hole, one ends of the second lead screw and the third lead screw, which are close to each other, are fixedly connected, the second lead screw and the third lead screw are positioned below the fixed rods, the thread directions of the second lead screw and the third lead screw are opposite, two ends of each of the two first lead screws extend out of the first rotary holes, one ends of the two first lead screws, which are close to the second lead screws, are fixedly sleeved with first gears, two second gears mesh with corresponding first gear respectively, and first lead screw guide pin bushing has been cup jointed to equal screw thread on two first lead screws, and the top that all is located the dead lever of first lead screw guide pin bushing and two first lead screw guide pin bushing all fixed mounting have the one end of connecting rod, and the other end fixed mounting of two connecting rods has same backup pad, the expansion joint has been seted up at the top of install bin, and the expansion joint is with backup pad size looks adaptation, and the top fixed mounting of backup pad has a plurality of toper supporting shoes.

Preferably, the one end of third lead screw extends to the install bin and outside and fixed the cup joint have manual carousel, the equal fixed mounting in four corners of base has the universal wheel, equal fixed mounting has the slide rail on the both sides inner wall of install bin, equal slidable mounting has the slider on two slide rails, two sliders respectively fixed mounting on one side of two first lead screw guide pin bushings.

Preferably, second lead screw guide pin bushing has all been cup jointed to the screw on second lead screw and the third lead screw, the equal fixed mounting in bottom of two second lead screw guide pin bushings has the curved block, two through-holes have been seted up along vertical direction at the top of base, equal movable mounting has the movable rod in two through-holes, the one end of two movable rods all extends to in the install bin and all rotates and install the gyro wheel, the gyro wheel rolls the bottom at corresponding curved block respectively with curved block looks adaptation and two gyro wheels, the other end of two movable rods all extends to the through-hole outside and equal fixed mounting has the snubber block.

Preferably, the two movable rods are sleeved with return springs, one ends of the return springs are fixed on the movable rods, and the other ends of the return springs are fixed on the inner walls of the through holes.

Preferably, the top fixed mounting of base has the installation piece, and the third has been seted up to one side of installation piece and has been changeed the hole, and the round bar is installed to the downthehole internal rotation of third commentaries on classics, and the fixed cover has connect the pull rod on the round bar, and one side fixed mounting that the pull rod is close to manual turntable has the stopper, manual turntable is close to one side edge of stopper and has seted up a plurality of spacing grooves, and spacing groove and stopper looks adaptation have cup jointed the reset torsion spring on the round bar, and the both ends of reset torsion spring are fixed respectively on the both sides inner wall that.

The utility model discloses in, a support frame for construction machinery when needs use the backup pad, drives the rotation of second lead screw and third lead screw through rotating manual turntable, has driven the rotation of second gear, and the second gear has driven the rotation of first gear, and first gear has driven the rotation of first lead screw, and first lead screw has driven first lead screw guide pin bushing rebound, has driven backup pad and toper supporting shoe rebound then, supports construction machinery. When second lead screw and third lead screw pivoted in-process, driven two second lead screw guide pin bushing's removal in opposite directions, driven the removal in opposite directions of two curved surface pieces then, through curved surface piece extrusion gyro wheel, drive movable rod and snubber block move down for snubber block and ground contact have reduced whole strutting arrangement's vibrations in the use.

In order not to make in the support process, the position of backup pad and snubber block can not become flexible, through in going into the spacing groove on the manual carousel with the stopper card, can make the manual carousel of manual carousel can not rotate. The utility model discloses simple structure, convenient to use, the manual regulation backup pad of being convenient for height, with low costs, the in-service use effect is better.

Drawings

Fig. 1 is a schematic structural view of a support frame for construction machinery according to the present invention;

fig. 2 is a schematic structural view of a part a of a support frame for construction machinery according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a support frame for construction machinery according to the present invention.

In the figure: the device comprises a base 1, a fixing rod 2, an installation box 3, a supporting plate 4, a conical supporting block 5, a connecting rod 6, a first lead screw guide sleeve 7, a first lead screw 8, a first gear 9, a second lead screw 10, a second gear 11, a third lead screw 12, a universal wheel 13, a second lead screw guide sleeve 14, a movable rod 15, a through hole 16, a damping block 17, an idler wheel 18, a manual turntable 19, a pull rod 20, a round rod 21, an installation block 22 and a curved block 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a supporting frame for construction machinery comprises a base 1, a mounting box 3 is fixedly mounted on the top of the base 1, fixing rods 2 are fixedly mounted on two inner walls of the mounting box 3, a first rotary hole is formed on one side of each fixing rod 2, a first screw 8 is rotatably mounted in each first rotary hole, second rotary holes are formed on two sides of the mounting box 3, a second screw 10 and a third screw 12 are rotatably mounted in each second rotary hole, two ends of each second screw 10 and each third screw 12 extend out of each second rotary hole, one ends of the second screws 10 and the ends of the third screws 12 close to each other are fixedly connected, the second screws 10 and the third screws 12 are located below the fixing rods 2, the thread directions of the second screws 10 and the third screws 12 are opposite, two ends of each first screw 8 extend out of each first rotary hole, and one ends of the two first screws 8 close to the second screws 10 are fixedly connected with a first gear 9, all fixed cover has been connected with second gear 11 on second lead screw 10 and the third lead screw 12, two second gears 11 mesh with corresponding first gear 9 respectively, first lead screw guide pin bushing 7 has been cup jointed to equal screw thread on two first lead screws 8, the equal fixed mounting in top that all is located dead lever 2 and two first lead screw guide pin bushing 7 of first lead screw guide pin bushing 7 has the one end of connecting rod 6, the other end fixed mounting of two connecting rods 6 has same backup pad 4, the expansion gap has been seted up at the top of install bin 3, the expansion gap is with backup pad 4 big or small looks adaptation, the top fixed mounting of backup pad 4 has a plurality of toper supporting shoes 5.

Example two

The utility model discloses in, the one end of third lead screw 12 extends to the installation box 3 and just fixed the cover has connect manual carousel 19, the equal fixed mounting in four corners of base 1 has universal wheel 13, equal fixed mounting has the slide rail on the both sides inner wall of installation box 3, equal slidable mounting has the slider on two slide rails, two sliders respectively fixed mounting are on one side of two first lead screw guide pin bushings 7, be convenient for drive second lead screw 10 and the rotation of third lead screw 12 through rotating manual carousel, be convenient for remove whole strutting arrangement through universal wheel 13, be convenient for reciprocate of first lead screw guide pin bushing 7 through slide rail and slider.

The utility model discloses in, equal screw has cup jointed second lead screw guide pin bushing 14 on second lead screw 10 and the third lead screw 12, the equal fixed mounting in bottom of two second lead screw guide pin bushings 14 has curved block 23, two through-holes 16 have been seted up in vertical direction at base 1's top, equal movable mounting has movable rod 15 in two through-holes 16, the one end of two movable rods 15 all extends to in the install bin 3 and all rotates and install gyro wheel 18, gyro wheel 18 and curved block 23 looks adaptation and two gyro wheels 18 respectively roll-mounting in the bottom of corresponding curved block 23, the other end of two movable rods 15 all extends to the through-hole 16 outer and equal fixed mounting has snubber block 17, extrude the movable block 15 through curved block 23, drive snubber block 17 lapse and ground contact, whole strutting arrangement's vibrations in the use have been reduced.

The utility model discloses in, all cup jointed reset spring on two movable rods 15, reset spring's one end is fixed on movable rod 15, and the other end is fixed on the inner wall of through-hole 16, through reset spring be convenient for the restoration of movable rod 15.

The utility model discloses in, base 1's top fixed mounting has installation piece 22, the third has been seted up to one side of installation piece 22 and has been changeed the hole, the third changes downthehole rotation and installs round bar 21, the fixed pull rod 20 that has cup jointed on the round bar 21, one side fixed mounting that pull rod 20 is close to manual carousel 19 has the stopper, manual carousel 19 is close to one side of stopper along having seted up a plurality of spacing grooves, spacing groove and stopper looks adaptation, the torsional spring that resets has cup jointed on the round bar 21, the both ends of torsional spring that resets are fixed respectively on the both sides inner wall that the third changes the hole, through in advancing the spacing groove on manual carousel 19 with the stopper card, can make manual carousel 19 can not rotate.

The utility model discloses in, when backup pad 4 is used to needs, through rotating the rotation that manual turntable 19 drove second lead screw 10 and third lead screw 12, driven the rotation of second gear 11, second gear 11 has driven the rotation of first gear 9, first gear 9 has driven the rotation of first lead screw 8, first lead screw 8 has driven first lead screw guide pin bushing 7 rebound, has driven backup pad 4 and tapered support piece 5 rebound then, supports construction machinery. When the second lead screw 10 and the third lead screw 12 rotate, the two second lead screw guide sleeves 14 are driven to move in opposite directions, then the two curved blocks 23 are driven to move in opposite directions, the roller 18 is extruded through the curved blocks 23, the movable rod 15 and the damping block 17 are driven to move downwards, the damping block 17 is in contact with the ground, and the vibration of the whole supporting device in the use process is reduced.

In order to prevent the positions of the support plate 4 and the damping block 17 from loosening in the supporting process, the limiting block is clamped into the limiting groove in the manual turntable 19, and the manual turntable 19 can not rotate. The utility model discloses simple structure, convenient to use, the manual regulation backup pad of being convenient for height, with low costs, the in-service use effect is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A supporting frame for construction machinery comprises a base (1) and is characterized in that an installation box (3) is fixedly installed at the top of the base (1), fixing rods (2) are fixedly installed on two inner walls of the installation box (3), a first rotary hole is formed in one side of each of the two fixing rods (2), a first lead screw (8) is rotatably installed in each rotary hole, second rotary holes are formed in two sides of the installation box (3), a second lead screw (10) and a third lead screw (12) are rotatably installed in the two second rotary holes respectively, two ends of each of the second lead screw (10) and the third lead screw (12) extend out of the corresponding rotary hole, one end of each of the second lead screw (10) and the end of each of the third lead screw (12) close to each other are fixedly connected, the second lead screw (10) and the third lead screw (12) are located below the fixing rods (2), and the thread directions of the second lead screw (10) and the third lead screw (12) are opposite, two ends of the two first screw rods (8) extend out of the first rotating hole, one ends of the two first screw rods (8) close to the second screw rods (10) are fixedly sleeved with first gears (9), the second screw rod (10) and the third screw rod (12) are fixedly sleeved with second gears (11), the two second gears (11) are respectively meshed with the corresponding first gears (9), the two first screw rods (8) are respectively sleeved with first screw rod guide sleeves (7) in a threaded manner, the first screw rod guide sleeves (7) are respectively positioned above the fixed rod (2), the tops of the two first screw rod guide sleeves (7) are respectively and fixedly provided with one end of a connecting rod (6), the other ends of the two connecting rods (6) are fixedly provided with a same supporting plate (4), the movable opening is formed in the top of the installation box (3), the movable opening is matched with the size of the support plate (4), and a plurality of conical support blocks (5) are fixedly installed on the top of the support plate (4).

2. The supporting frame for construction machinery as claimed in claim 1, wherein one end of the third lead screw (12) extends to the outside of the mounting box (3) and is fixedly sleeved with a manual rotating disc (19), universal wheels (13) are fixedly mounted at four corners of the base (1), slide rails are fixedly mounted on inner walls of two sides of the mounting box (3), slide blocks are slidably mounted on the two slide rails, and the two slide blocks are respectively and fixedly mounted on one side of the two first lead screw guide sleeves (7).

3. The supporting frame for the construction machinery as claimed in claim 1, wherein the second lead screw (10) and the third lead screw (12) are respectively in threaded sleeve joint with a second lead screw guide sleeve (14), curved blocks (23) are respectively and fixedly installed at the bottoms of the two second lead screw guide sleeves (14), two through holes (16) are formed in the top of the base (1) along the vertical direction, movable rods (15) are respectively and movably installed in the two through holes (16), one ends of the two movable rods (15) are respectively extended into the installation box (3) and are respectively and rotatably installed with idler wheels (18), the idler wheels (18) are matched with the curved blocks (23) and the two idler wheels (18) are respectively and rotatably installed at the bottoms of the corresponding curved blocks (23), and damping blocks (17) are respectively and fixedly installed at the other ends of the two movable rods (15) are respectively extended out of the through holes (16).

4. A bracing frame for construction machinery according to claim 3, wherein a return spring is sleeved on each of the two movable rods (15), one end of the return spring is fixed on the movable rod (15), and the other end is fixed on the inner wall of the through hole (16).

5. The supporting frame for the construction machinery as claimed in claim 1, wherein a mounting block (22) is fixedly mounted at the top of the base (1), a third rotating hole is formed in one side of the mounting block (22), a round bar (21) is rotatably mounted in the third rotating hole, a pull rod (20) is fixedly sleeved on the round bar (21), a limiting block is fixedly mounted on one side of the pull rod (20) close to the manual rotating disc (19), a plurality of limiting grooves are formed in one side of the manual rotating disc (19) close to the limiting block, the limiting grooves are matched with the limiting block, a reset torsion spring is sleeved on the round bar (21), and two ends of the reset torsion spring are respectively fixed on inner walls of two sides of the third rotating hole.