CN221195097U - Hydraulic bidirectional extension bracket - Google Patents

Abstract

The application discloses a hydraulic bidirectional extension bracket, which belongs to the field of brackets, and comprises a base, wherein a placement plate is arranged above the base, the placement plate comprises a connecting plate, two sides of the connecting plate are respectively provided with a support plate, the top end of the base is hinged with two groups of symmetrically distributed hydraulic rods, the same group of hydraulic rods is two, the top ends of the same group of two hydraulic rods are respectively hinged with the bottom ends of the same group of support plates, a telescopic assembly is arranged between the two support plates and the connecting plate, and a supporting assembly is arranged between the connecting plate and the base; and the bottom end of the base is provided with a mounting groove. According to the application, the driving assembly drives the two double-tooth screws of the same group to synchronously rotate, so that the driving wheel can be lifted, the subsequent driving equipment movement of workers is facilitated, the locking assembly is arranged, the rotating rod is locked, the phenomenon that the rotating rod rotates due to the fact that the top structure of the equipment moves downwards relatively when the equipment moves is avoided, and the moving stability of the equipment is improved.

Description

Hydraulic bidirectional extension bracket

Technical Field

The application relates to the field of brackets, in particular to a hydraulic bidirectional extension bracket.

Background

The hydraulic support is a structure for controlling the mine pressure of the coal face. The mining face ore pressure acts on the hydraulic support in an external load mode. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all supporting parts of the hydraulic support and the external load force of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock.

The patent with the application number 202123302020.9 discloses a hydraulic support, which comprises a base table, a rotating connecting block, a hydraulic cylinder, a contraction plate, a supporting plate, an auxiliary supporting plate, a stabilizing shell, a crank, a gas sensor, an alarm, a groove, a driving and reversing screw, a moving block, an adjusting rod, a fixing rod, a moving wheel and a power supply box. The application is through the tip with the inner wall surface fixed connection advance and retreat screw rod of crank, then will advance the wall rotation of moving back the screw rod and connect the inside of base table, make advance and move back the screw rod when rotatory crank and rotate in the inside of base table, through the wall with the inside threaded connection advance of movable block and move back the screw rod, rotate the connection between movable block, adjust pole and the dead lever, then the bottom surface fixed connection of dead lever removes the top surface of wheel, make the movable block remove at its surface when advancing and retreating the screw rod rotation, thereby adjust the angle of adjusting the pole through the removal of movable block, make the movable wheel can stretch out and draw back in the inside of base table, thereby play the removal effect.

For the related art, the moving block is located on the surface of the advancing and retreating screw to move through the rotation of the advancing and retreating screw, so that the moving wheel descends to be in contact with the ground, and the subsequent movement of the equipment is facilitated.

Disclosure of utility model

In order to solve the problems, the application provides a hydraulic bidirectional extension bracket, which adopts the following technical scheme:

The hydraulic bidirectional extension bracket comprises a base, wherein a placement plate is arranged above the base and comprises a connecting plate, support plates are arranged on two sides of the connecting plate, two groups of symmetrically distributed hydraulic rods are hinged to the top end of the base, the same group of hydraulic rods are two, the same group of hydraulic rods are hinged to the bottom ends of the support plates, telescopic assemblies are arranged between the two support plates and the connecting plate, and a supporting assembly is arranged between the connecting plate and the base;

The base is characterized in that the bottom end of the base is provided with a mounting groove, two symmetrically distributed rotating rods are rotatably mounted in the mounting groove, each rotating rod comprises a baffle ring and double-tooth screw rods arranged on two sides of the baffle ring, two sections of side walls of each double-tooth screw rod are respectively sleeved with a supporting block, the bottom ends of the supporting blocks are hinged with stabilizing rods, two symmetrically distributed mounting plates are arranged below the base, the same group of mounting plates are hinged with the top ends of the same group of mounting plates, driving wheels are arranged at four corners of the bottom ends of the two mounting plates, a mounting box is fixedly mounted on one side of the base, two connecting rods are fixedly mounted at one ends of each double-tooth screw rod close to the mounting box, the ends of each connecting rod penetrate into the mounting box, a driving assembly is arranged between the two rotating rods, and a locking assembly is arranged between the two rotating rods;

Two storage grooves which are symmetrically distributed are formed in the bottom end of the base, and a supporting component is arranged at the bottom end of the base.

Through adopting above-mentioned technical scheme, when this equipment was used, through the synchronous rotation of two dwang of drive assembly drive, make with two double-tooth screw rods synchronous rotation of group, and then make with two piece relative movements of group, make with the synchronous decline of group's mounting panel of group firm pole drive and drive wheel, make drive wheel and ground contact, the follow-up driving equipment of being convenient for is removed, after the high regulation of drive wheel is accomplished, can play the effect of locking fixed two dwang through locking component and two connecting rods contact, help avoiding equipment to remove, the dwang makes base and ground contact because of equipment is heavier to descend and produces the autorotation, be favorable to improving equipment removal's stability, after equipment removes to corresponding place, through support assembly drive base and top structure wholly rise, play the effect of supporting firm equipment, be favorable to improving equipment use's stability.

After equipment is fixed, place the board through the hydraulic stem drive and go up and down, reach the effect of adjusting and place the board height, with the lift difference of two hydraulic stems of group, can play the effect of placing the board angle, and when needs regulation place board length, one of them set of hydraulic stem is motionless, another set of hydraulic stem height, and then can make with group extension board keep away from the connecting plate, and then play the effect of adjusting the distance between extension board and the connecting plate, reach the effect of extension, afterwards, another set of hydraulic stem goes up and down, play the effect of adjusting the distance between opposite side extension board and the connecting plate.

Further, the expansion assembly includes fixed mounting in the expansion plate of connecting plate both sides, two the extension plate opposite one side all offered with homonymy expansion plate assorted recess, and two the extension plate opposite one side with homonymy all fixed mounting has the traction spring that is sharp distribution between the opposite one side inner wall of recess, two the equal fixed mounting in one section both sides of expansion plate opposite have the slider, two the recess inner wall has seted up with homonymy slider assorted spout.

Through adopting above-mentioned technical scheme, through the hydraulic stem is flexible, play the effect that the drive was removed with group's extension board, and then make the extension board keep away from the connecting plate, play the effect of adjusting the distance between extension board and the connecting plate, be equipped with the expansion plate between connecting plate and the extension board, can play the effect of supporting firm extension board and connecting plate, when the expansion plate is located with the intraductal slip of group, same group's traction spring is tensile when the expansion plate, traction spring can play the effect of traction shrinkage board, be favorable to keeping the stability of placing the board and use, and when the expansion plate is located with the intraductal slip of group, the expansion plate is located with the intraductal removal of sideslip with the group's slider, help avoiding the expansion plate to break away from with same group's recess.

Further, firm subassembly includes two fixed mounting in the pillar on base top, two the movable groove has all been seted up on the pillar top, and two equal slidable mounting in the movable groove has branch, two the branch bottom with group equal fixedly connected with supporting spring between the movable groove bottom inner wall, and two the branch top all articulates with the connecting plate bottom.

Through adopting above-mentioned technical scheme, when the connecting plate goes up and down, the connecting plate is located with the intraductal slip of group activity groove with two branches, and makes same group support spring tensile, through the cooperation of pillar, branch and support spring, plays the effect that supports firmly places the board.

Further, two limit blocks which are symmetrically distributed are fixedly arranged on the side walls of the bottom ends of the supporting rods, and limit grooves matched with the limit blocks in the same group are formed in the inner walls of the two movable grooves.

Through adopting above-mentioned technical scheme, when branch is located the movable groove and slides, branch takes with group stopper and is located the spacing inslot and slide, through the cooperation in stopper and spacing groove, helps avoiding branch to break away from the movable inslot.

Further, the drive assembly comprises a wheel disc fixedly sleeved on the side wall of one end of the mounting box, a transmission belt is sleeved between the two wheel discs, a gear motor is fixedly installed in the mounting box, and one of the connecting rods penetrates through one end of the mounting box and is fixedly connected with the end part of an output shaft of the gear motor.

Through adopting above-mentioned technical scheme, the connecting rod that is connected through gear motor drive rotates, through the cooperation of two rim plates and driving belt, can make two dwang synchronous rotations, makes two sets of mounting panels and drive wheel descend in step, makes drive wheel and ground contact, and the staff of being convenient for promotes equipment and removes, is favorable to improving equipment's convenience.

Further, the locking subassembly includes fixed mounting in the biax cylinder of mounting box bottom inner wall, equal fixed mounting of biax cylinder two sections piston shaft tip has the arc, and two the equal fixed mounting of arc inboard has the rubber pad, two the connecting rod runs through the equal fixed mounting of mounting box one end lateral wall has positioning gear.

Through adopting above-mentioned technical scheme, after the drive wheel descends and accomplishes, through two arc and rubber pad synchronous movement of biax cylinder drive, make rubber pad and homonymy positioning gear contact, the rubber pad is under the promotion of biax cylinder with homonymy positioning gear engagement, can play the effect of fixed two dwang, help avoiding equipment when removing, the dwang produces the phenomenon of rotation because of the heavier downmovement of equipment top structure, is favorable to improving the stability that equipment removed.

Further, the supporting component comprises a lifting cylinder fixedly mounted on the inner wall of the top end of the storage groove, the two ends of the piston shaft of the lifting cylinder are fixedly provided with supporting plates, and the bottom ends of the two supporting plates are fixedly provided with anti-skid pads.

Through adopting above-mentioned technical scheme, after equipment removes corresponding place, through lifting cylinder drive with group backup pad decline with ground contact, and then make equipment wholly rise, reach the effect that supports firm equipment, be favorable to the stability of equipment use.

In summary, the application has the following beneficial technical effects:

(1) According to the application, the driving assembly drives the same group of two double-tooth screws to synchronously rotate, so that the function of lifting the driving wheel can be achieved, the subsequent driving equipment movement of workers is facilitated, the convenience of the equipment is improved, the function of locking the rotating rod is achieved through the arrangement of the locking assembly, the phenomenon that the rotating rod rotates due to the fact that the top structure of the equipment moves downwards relatively when the equipment moves is avoided, and the stability of the equipment movement is improved.

(2) According to the application, through the arrangement of the telescopic component and the cooperation of the hydraulic rod and the support plate, the function of adjusting the distance between the two support plates and the connecting plate is achieved, devices with different sizes can be conveniently placed on the equipment, and the practicability of the equipment is improved.

(3) According to the application, the support assembly is arranged to support and stabilize the placement plate, so that the stability of the placement plate in use is improved.

Drawings

FIG. 1 is a schematic view of a hydraulic bi-directional extension bracket;

FIG. 2 is a cross-sectional view of the present application;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present application;

FIG. 4 is an enlarged view of B of FIG. 2 in accordance with the present application;

Fig. 5 is an exploded view showing the internal structure of the base and the mounting case of the present application.

The reference numerals in the figures illustrate:

1. a base; 2. a hydraulic rod; 3. placing a plate; 31. a support plate; 311. a groove; 312. a pulling spring; 32. a connecting plate; 4. a telescoping plate; 5. a support rod; 6. a support post; 7. a lifting cylinder; 8. a support plate; 9. a mounting plate; 10. a stabilizing rod; 11. a mounting box; 12. a support block; 13. a rotating lever; 131. a baffle ring; 132. a double-flighted screw; 133. a connecting rod; 14. a mounting groove; 15. a support spring; 16. a movable groove; 17. a speed reducing motor; 18. a biaxial cylinder; 19. an arc-shaped plate; 20. positioning gears; 21. a wheel disc; 22. a drive belt.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.

In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The application is described in further detail below with reference to fig. 1-5.

Referring to fig. 1-5, a hydraulic bidirectional extension support, including base 1, base 1 top is equipped with places board 3, place board 3 includes connecting plate 32, connecting plate 32 both sides all are equipped with extension spring 312 that is the straight line distribution, base 1 top articulates there are two sets of hydraulic stems 2 that are the symmetric distribution, and same group's hydraulic stem 2 is two, same group's two hydraulic stem 2 tops all articulate with same group's extension plate 31 bottom, all be equipped with telescopic assembly between two extension plates 31 and the connecting plate 32, telescopic assembly includes fixed mounting in extension plate 4 of connecting plate 32 both sides, two extension plate 31 relative one side all has been seted up with the recess 311 of same side extension plate 4 assorted, and equal fixed mounting has the stretch spring 312 that is sharp distribution between the opposite one side of two extension plates 31 and the opposite one side inner wall of same side recess 311, two equal fixed mounting has the slider in one section both sides of opposite side of extension plate 4, two recess 311 inner wall sets have the spout with same side slider assorted, through hydraulic stem 2 flexible, play the effect that drive same group's extension plate 31 removed, and then make extension plate 31 keep away from connecting plate 32, stretch out of the same extension plate 31, stretch out and draw spring 311 and stretch out and draw plate 3 when the same extension plate 3 is located in the recess 311 with the same extension plate 4, stretch plate 3, keep away from the effect of extension plate 3 with extension plate 4, and stretch plate 3, stretch plate 3 is located in the same extension plate 4, and stretch plate 3 is located in the recess and is located in the recess 4, and is located in the extension plate 4.

Be equipped with firm subassembly between connecting plate 32 and the base 1, firm subassembly includes two fixed mounting in the pillar 6 on base 1 top, movable groove 16 has all been seted up on two pillar 6 tops, and equal slidable mounting has branch 5 in two movable grooves 16, equal fixedly connected with supporting spring 15 between two branch 5 bottom and the inner wall of same group movable groove 16 bottom, and two branch 5 tops all articulate with connecting plate 32 bottom, when connecting plate 32 goes up and down, connecting plate 32 is located with the movable inslot 16 of group with two branch 5, and make same group supporting spring 15 tensile, through the cooperation of pillar 6, branch 5 and supporting spring 15, play the effect of supporting firm place board 3.

Two limit blocks which are symmetrically distributed are fixedly arranged on the side walls of the bottom ends of the two support rods 5, limit grooves which are matched with the limit blocks in the same group are formed in the inner walls of the two movable grooves 16, when the support rods 5 slide in the movable grooves 16, the support rods 5 slide in the limit grooves with the limit blocks in the same group, and the support rods 5 are prevented from being separated from the movable grooves 16 through the cooperation of the limit blocks and the limit grooves.

The mounting groove 14 has been seted up to base 1 bottom, mounting groove 14 internal rotation is installed two dwang 13 that are symmetrical distribution, and two dwang 13 include stop ring 131 and set up in the double-tooth screw 132 of stop ring 131 both sides, double-tooth screw 132 both sections lateral wall all overlaps and is equipped with a piece 12, and it has firm pole 10 all to articulate to prop up piece 12 bottom, base 1 below is equipped with two mounting panels 9 that are symmetrical distribution, same group firm pole 10 bottom all articulates with group mounting panel 9 top, two mounting panel 9 bottom four corners all are equipped with the drive wheel, base 1 one side fixed mounting has mounting box 11, two double-tooth screw 132 one end equal fixed mounting who is close to mounting box 11 has connecting rod 133, and two connecting rod 133 tip run through to mounting box 11 in, be equipped with drive assembly between two dwang 13, drive assembly includes that fixed sleeve locates two connecting rod 133 run through the rim plate 21 of mounting box 11 one end lateral wall, the cover is equipped with driving belt 22 between two rim plates 21, fixed mounting has gear motor 17 in the mounting box 11, one of them connecting rod 133 runs through mounting box 11 one end and gear motor 17 end fixed connection, through gear motor 17 output shaft motor 17 looks rotation connection, two drive rod 13 and two drive wheel sets of drive wheel 13 make the synchronous movement of drive wheel 13, the synchronous device that can make the face synchronous movement, the face-to make the face-down equipment of the synchronous with the synchronous, the synchronous machine is convenient for the two sets of rotation 13, the face down equipment.

Be equipped with locking subassembly between two dwang 13, locking subassembly includes that fixed mounting is in the biax cylinder 18 of installation box 11 bottom inner wall, equal fixed mounting of biax cylinder 18 two sections piston axle tip has arc 19, and the equal fixed mounting of two arc 19 inboard has the rubber pad, two connecting rods 133 run through the equal fixed mounting of installation box 11 one end lateral wall and have positioning gear 20, after the drive wheel descends to accomplish, drive two arcs 19 and rubber pad synchronous movement through biax cylinder 18, make the rubber pad contact with homonymy positioning gear 20, the rubber pad meshes with homonymy positioning gear 20 under the promotion of biax cylinder 18, can play the effect of fixed two dwang 13, help avoiding equipment when removing, dwang 13 to move down because of equipment top structure produces the phenomenon of autorotation, be favorable to improving equipment moving stability.

Two storage tanks which are symmetrically distributed are arranged at the bottom end of the base 1, a supporting component is arranged at the bottom end of the base 1 and comprises lifting cylinders 7 fixedly mounted on the inner wall of the top end of the storage tank, supporting plates 8 are fixedly mounted at the end parts of piston shafts of the two lifting cylinders 7, anti-slip pads are fixedly mounted at the bottom ends of the two supporting plates 8, after equipment moves to corresponding places, the lifting cylinders 7 drive the same group of supporting plates 8 to descend to be in contact with the ground, so that the equipment is integrally lifted, the effect of supporting and stabilizing equipment is achieved, and the use stability of the equipment is facilitated.

The implementation principle of the embodiment of the application is as follows: when the equipment is used, the two rotating rods 13 are driven to synchronously rotate through the driving assembly, the two double-tooth screws 132 of the same group are synchronously rotated, the two supporting blocks 12 of the same group are further moved relatively, the stabilizing rods 10 of the same group are driven to synchronously descend with the mounting plate 9 and the driving wheels of the same group, the driving wheels are contacted with the ground, the equipment is convenient to move, after the height adjustment of the driving wheels is completed, the locking assembly is contacted with the two connecting rods 133, the locking and fixing of the two rotating rods 13 can be achieved, when the equipment is prevented from moving, the rotating rods 13 are enabled to contact the ground through rotation caused by heavy descent of the equipment, the stability of the equipment movement is improved, after the equipment is moved to a corresponding place, the base 1 and the top structure are integrally lifted through the driving of the supporting assembly, the effect of supporting the stabilizing equipment is achieved, and the stability of the equipment use is improved.

After equipment is fixed, place board 3 through hydraulic stem 2 drive and go up and down, reach the effect of adjusting and place board 3 height, with the lift height difference of two hydraulic stems 2 of group, can play the effect of placing board 3 angles, and when needs regulation place board 3 length, one of them hydraulic stem 2 is motionless, another group hydraulic stem 2 height, and then can make with group extension board 31 keep away from connecting plate 32, and then play the effect of adjusting the distance between extension board 31 and the connecting plate 32, reach the effect of extension, then, another group hydraulic stem 2 goes up and down, play the effect of adjusting the distance between opposite side extension board 31 and the connecting plate 32.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a hydraulic pressure two-way extension support, includes base (1), its characterized in that: the novel hydraulic lifting device is characterized in that a placement plate (3) is arranged above the base (1), the placement plate (3) comprises a connecting plate (32), support plates (31) are arranged on two sides of the connecting plate (32), two groups of symmetrically distributed hydraulic rods (2) are hinged to the top end of the base (1), two hydraulic rods (2) are hinged to the top end of the same group, two hydraulic rods (2) are hinged to the bottom end of the support plate (31), telescopic assemblies are arranged between the two support plates (31) and the connecting plate (32), and a stable assembly is arranged between the connecting plate (32) and the base (1);

the base is characterized in that a mounting groove (14) is formed in the bottom end of the base (1), two symmetrically distributed rotating rods (13) are rotatably mounted in the mounting groove (14), the two rotating rods (13) comprise baffle rings (131) and double-tooth screws (132) arranged on two sides of the baffle rings (131), two sections of side walls of the double-tooth screws (132) are sleeved with supporting blocks (12), the bottom ends of the supporting blocks (12) are hinged with stabilizing rods (10), two symmetrically distributed mounting plates (9) are arranged below the base (1), the same group of the stabilizing rods (10) are hinged with the top ends of the mounting plates (9), driving wheels are arranged at four corners of the bottom ends of the two mounting plates (9), a mounting box (11) is fixedly mounted on one side of the base (1), connecting rods (133) are fixedly mounted on one ends of the two double-tooth screws (132), the ends of the connecting rods (133) penetrate into the mounting box (11), a locking assembly is arranged between the two rotating rods (13), and a locking assembly is arranged between the two rotating rods (13);

Two storage grooves which are symmetrically distributed are formed in the bottom end of the base (1), and a supporting component is arranged at the bottom end of the base (1).

2. A hydraulic bi-directional extension stand according to claim 1, wherein: the telescopic assembly comprises telescopic plates (4) fixedly mounted on two sides of a connecting plate (32), grooves (311) matched with the telescopic plates (4) are formed in two opposite sides of each supporting plate (31), traction springs (312) which are linearly distributed are fixedly mounted between inner walls of opposite sides of the grooves (311) on the opposite sides of the supporting plates (31), sliding blocks are fixedly mounted on two opposite sides of one section of the telescopic plates (4), and sliding grooves matched with the sliding blocks on the same sides are formed in the inner walls of the grooves (311).

3. A hydraulic bi-directional extension stand according to claim 1, wherein: the stabilizing assembly comprises two supporting columns (6) fixedly mounted on the top end of the base (1), movable grooves (16) are formed in the top ends of the supporting columns (6), supporting rods (5) are slidably mounted in the movable grooves (16), supporting springs (15) are fixedly connected between the bottom ends of the supporting rods (5) and the inner walls of the bottom ends of the movable grooves (16), and the top ends of the supporting rods (5) are hinged to the bottom ends of the connecting plates (32).

4. A hydraulic bi-directional extension stand in accordance with claim 3 wherein: two limit blocks which are symmetrically distributed are fixedly arranged on the side walls of the bottom ends of the two supporting rods (5), and limit grooves matched with the limit blocks in the same group are formed in the inner walls of the two movable grooves (16).

5. A hydraulic bi-directional extension stand according to claim 1, wherein: the driving assembly comprises a wheel disc (21) fixedly sleeved on the side wall of one end of the mounting box (11), a transmission belt (22) is sleeved between the two wheel discs (21), a gear motor (17) is fixedly installed in the mounting box (11), and one of the connecting rods (133) penetrates through one end of the mounting box (11) and is fixedly connected with the end part of an output shaft of the gear motor (17).

6. A hydraulic bi-directional extension stand according to claim 1, wherein: the locking assembly comprises a double-shaft air cylinder (18) fixedly mounted on the inner wall of the bottom end of the mounting box (11), arc plates (19) are fixedly mounted at the end parts of two sections of piston shafts of the double-shaft air cylinder (18), rubber pads are fixedly mounted on the inner sides of the arc plates (19), and positioning gears (20) are fixedly mounted on the side walls of one end of the connecting rod (133) penetrating through the mounting box (11).

7. A hydraulic bi-directional extension stand according to claim 1, wherein: the support assembly comprises lifting cylinders (7) fixedly mounted on the inner walls of the top ends of the storage grooves, support plates (8) are fixedly mounted at the end parts of piston shafts of the lifting cylinders (7), and anti-slip pads are fixedly mounted at the bottom ends of the support plates (8).