阅读说明：本技术 一种天然气运输车机械支撑装置 (Mechanical supporting device for natural gas transportation vehicle ) 是由 谢洁萍 于 2019-10-24 设计创作，主要内容包括：本发明属于天然气运输车辅助设备领域,尤其是一种天然气运输车机械支撑装置,针对现有的装置没有省力的设置,摇动手摇柄会使得手摇柄的位置一直发生变化,且底座的受力面积有限,无法更加稳定的进行支撑的问题,现提出如下方案,其包括底座,底座的顶侧固定安装有支撑柱,支撑柱的一侧开设有升降槽,升降槽的顶侧和底侧内壁上均开设有转动槽,两个转动槽内转动安装有同一个丝杆,丝杆上螺纹套接有丝杆导套。本发明中,通过小锥形齿轮带动大锥形齿轮转动,更加的省力,将底座放在地面上即可使得连接块完全伸出进行支撑,扩大底座的受力面积,拉动L型卡杆使其移出第一卡槽,在两个复位弹簧的反作用力下使得两个连接块收回完成收纳,便于移动。(The invention belongs to the field of natural gas transport vehicle auxiliary equipment, in particular to a natural gas transport vehicle mechanical supporting device, which aims at solving the problems that the existing device is not provided with labor-saving arrangement, the position of a crank can be changed directly by shaking the crank, the stress area of a base is limited, and the base cannot be supported more stably.)

The mechanical support device of kinds of natural gas transportation vehicles, including base (1), a serial communication port, the top side fixed mounting of base (1) has support column (2), side of support column (2) is opened and is equipped with lift groove (3), all seted up rotation groove (4) on the top side of lift groove (3) and the bottom side inner wall, two rotate groove (4) internal rotations install with lead screw (5), screw rod guide pin bushing (7) have been gone up to the threaded socket joint, side fixed mounting of lead screw guide pin bushing (7) has lift post (8), seted up lift hole (9) on the top side inner wall of lift groove (3), the top of lift post (8) runs through lift hole (9) and fixed mounting has supporting shoe (10), side fixed mounting of support column (2) has L template (6), the side of L template (6) is equipped with rotation hole (28), the internal rotation of rotation hole (28) is installed to pivot (29), the both ends of rotation hole (29) all extend to the equal swing post top side of push rod (13) and push rod (34) and all install push rod (13) and push rod (34) and push rod (13) and the equal push rod (13) and the swing post inner wall (13) that the top side of push rod (11) have been installed on two swing link bushing (11) and the top side push rod (11) and the equal install push rod (13) and push rod (13) have been installed, the swing rod on the top side of the swing hole (11), the equal installed, the swing rod bushing (11) have been installed, the top side swing rod (13) internal rotation hole (13) of swing rod (13) and the swing post (13) of the equal mounting on the swing rod bushing (11), the top side of two swing post (13) have been installed, the equal mounting on the swing post (13) of swing post (11), the swing rod (13) have been all extended respectively, the top side of two swing post (11), the swing post (13) have been seted up the top side of two swing post (13), the swing rod (13) have been installed, the swing post (13) and have been installed, the top side of two swing post (11), the.

2. The mechanical support device for natural gas carriers of claim 1, wherein the top ends of the two connecting rods (17) are respectively and rotatably mounted on sides of the two fixed columns (18), and the sides of the two fixed columns (18) far away from each other are fixedly provided with the connecting blocks (20).

3. The mechanical supporting device for natural gas transportation vehicles according to claim 1, wherein the through hole (11) has two symmetrical receiving holes (19) formed on the inner wall of the bottom side thereof based on the compression leg (13), and the bottom sides of the two connecting blocks (20) extend into the two receiving holes (19), respectively.

4. The mechanical support device for natural gas carriers of claim 1, wherein a limiting disc (21) is fixedly mounted at the end of each of the two sliding rods (14) far away from each other, a return spring (40) is sleeved on each of the sliding rods (14), and two ends of each of the return springs (40) are respectively and fixedly mounted on the side of each of the limiting disc (21) and the sliding block (15) close to each other.

5. The mechanical supporting device for natural gas carriers of claim 1, wherein an L-shaped clipping hole (24) is opened on the inner wall of the pressing hole (12) at the side , an L-shaped clipping rod (25) is slidably installed in the L-shaped clipping hole (24), the end of the L-shaped clipping rod (25) extends into the pressing hole (12) and contacts with the side of the pressing column (13), the end of the limiting spring (26) is fixedly installed at the side of the L-shaped clipping rod (25), and the other end of the limiting spring (26) is fixedly installed on the inner wall of the L-shaped clipping hole (24) at the side .

6. The mechanical support device for natural gas carriers of claim 1, wherein a th notch (27) is opened on the side of the compression leg (13), and the end of the L-shaped clamp rod (25) near the of the compression leg (13) is matched with the th notch (27).

7. Natural gas transportation vehicle mechanical support device according to claim 1, wherein, a positioning spring (38) is fixedly installed on the side of the block (37), and the positioning spring (38) is fixedly installed on the side of the crank handle (33) near the end of the lifting column (8).

8. The mechanical support device for natural gas carriers of claim 1, wherein the support column (2) is provided with a mounting groove (30) near the side of the L-shaped plate (6), and the end of the rotating shaft (29) near the of the lifting column (8) extends into the mounting groove (30).

9. The natural gas transportation vehicle mechanical support device of claim 1, wherein a large bevel gear (32) located below the screw guide sleeve (7) is fixedly sleeved on the screw (5), and the large bevel gear (32) is meshed with the small bevel gear (31).

10. The mechanical supporting device for natural gas carriers of claim 1, wherein a plurality of second locking grooves (39) are annularly formed on the side of the L-shaped plate (6) away from the lifting column (8), the plurality of second locking grooves (39) are all centrosymmetric about the rotating shaft (29), and the ends of the locking rods (36) close to the of the L-shaped plate (6) extend into the second locking grooves (39).

Technical Field

The invention relates to the technical field of auxiliary equipment of natural gas transport vehicles, in particular to a mechanical supporting device for natural gas transport vehicles.

Background

The natural gas transportation divide into natural gas storage tank, semitrailer, tractor, train series, belongs to the transportation equipment in the chemical industry equipment, and professional transportation natural gas, low temperature liquefied natural gas etc. and the design of the safety device of natural gas transport vechicle is crucial, and safety device mainly includes three aspect: the natural gas belongs to flammable and explosive gas and also belongs to low-temperature medium, so that a transport vehicle for containing the natural gas adopts a low-temperature heat insulation structure, the common natural gas transport vehicle mainly has vacuum powder heat insulation, high-vacuum multilayer heat insulation and the like in a heat insulation mode, and the principle of selecting a heat insulation type is economic and efficient, reliable in heat insulation and simple in construction.

Publication number is CN208361785U discloses kind of natural gas transportation vehicle mechanical support device, including the inner leg, the surface of inner leg is inserted the handle through the activity and is provided with outer leg, the surface of outer leg sets up drive assembly and second drive assembly respectively from a left side to the right side, it is connected with the gear to rotate between the relative side of drive assembly and second drive assembly, but the device does not have laborsaving setting, waves the position that the crank can make the crank and directly changes, and it is comparatively inconvenient to use, and the lifting surface of base is limited, can't support more stably, has improved space.

Disclosure of Invention

The invention aims to solve the defects that the device in the prior art is not provided with labor saving, the position of a hand crank is changed directly by swinging the hand crank, the use is inconvenient, the stress area of a base is limited, and the support cannot be carried out more stably, and provides a mechanical support device for natural gas transportation vehicles.

In order to achieve the purpose, the invention adopts the following technical scheme:

natural gas transport vehicle mechanical support device, which comprises a base, the top side of the base is fixedly installed with a support column, the side of the support column is opened with a lifting groove, rotating grooves have been all opened on the top side and bottom side inner wall of the lifting groove, both rotating grooves are installed with lead screws, a lead screw guide sleeve is screwed on the lead screw, the side of the lead screw guide sleeve is fixedly installed with a lifting column, a lifting hole has been opened on the top side inner wall of the lifting groove, the top end of the lifting column runs through the lifting hole and is fixedly installed with a support block, the side of the support column is fixedly installed with an L-shaped plate, the side of the L-shaped plate is opened with a rotating hole, a rotating shaft is rotatably installed in the rotating hole, both ends of the clamping rod extend outside the clamping hole, the bottom side of the clamping rod is fixedly installed with a swing handle, the swing handle is fixedly installed on the swing handle, a rubber sleeve is fixedly installed on the swing handle, a slide bar side of the swing rod is opened with a clamping hole, a clamping rod is slidably installed in the clamping hole, both ends of the clamping rod extend outside the clamping rod, the bottom side of the clamping rod are fixedly installed on the clamping rod, two swing rod, two sliding blocks of the sliding rod, the sliding block of the sliding rod, two sliding block, the sliding block, two sliding block, the sliding block, two sliding block, the sliding block is installed in the sliding block, two sliding block, the sliding block.

Preferably, the top of two connecting rods rotates respectively and installs on the side of two fixed columns, and the equal fixed mounting in side that two fixed columns kept away from each other has the connecting block, and two sliders keep away from each other and drive two connecting rods respectively and rotate, and two connecting rods rotate and drive two fixed columns and two connecting blocks respectively and keep away from each other.

Preferably, two containing holes based on the symmetry of the compression columns are formed in the inner wall of the bottom side of the through hole, and the bottom sides of the two connecting blocks extend into the two containing holes respectively.

Preferably, ends that two slide bars were kept away from each other all fixed mounting have spacing dish, have cup jointed reset spring on the slide bar, and reset spring's both ends are fixed mounting respectively on spacing dish and the side that the slider is close to each other, and two push rods rotate and drive two gliding while keeping away from each other of slider respectively, and elastic deformation all takes place for two reset spring.

Preferably, the side inner wall of pressure hole has seted up L type card hole, slidable mounting has L type kelly in the L type card hole, the end of L type kelly extends to in the pressure hole and contacts with the side of compression leg, the side fixed mounting of L type kelly has the end of spacing spring, another end fixed mounting of spacing spring is on the side inner wall in L type card hole, when the bottom of compression leg moved into in the pressure hole, two connecting blocks stretched out completely this moment, the draw-in groove is corresponding with the position of L type kelly, because spacing spring is in tensile state, so make L type kelly move into in the draw-in groove under spacing spring's counter-acting force.

Preferably, a clamping groove is formed in the side of the pressing column, and the end, close to , of the L-shaped clamping rod is matched with the clamping groove.

Preferably, the side of the stop is fixedly provided with a positioning spring, the end of the positioning spring, which is close to the lifting column, is fixedly arranged on the side of the crank, the stop is pulled to move the clamping rod out of the second clamping groove, and the positioning spring is elastically deformed.

Preferably, the side that the support column is close to the L-shaped board opens and is equipped with the mounting groove, and the pivot is close to the end of lift post and is extended to in the mounting groove.

Preferably, the screw rod is fixedly sleeved with a large bevel gear located below the screw rod guide sleeve, the large bevel gear is meshed with the small bevel gear, the crank rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the large bevel gear to rotate, and the large bevel gear rotates to drive the small bevel gear to rotate.

Preferably, a plurality of second draw-in grooves are annularly arranged on the side of the L-shaped plate far away from the lifting column, the plurality of second draw-in grooves are symmetrical by taking the rotating shaft as a center, and the end of the clamping rod close to the L-shaped plate extends into the second draw-in grooves.

According to the mechanical supporting device for the natural gas transport vehicles, when the mechanical supporting device needs to be supported, the stop block is pulled to enable the clamping rod to move out of the second clamping groove, the rubber sleeve is held, the crank is shaken to drive the supporting seat to move upwards for supporting, the position of the crank is not changed, so that a worker can shake more conveniently, the position of the supporting block can be adjusted by shaking the crank, and the supporting can be carried out at different heights;

according to the invention, the crank rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the large conical gear to rotate, the large conical gear rotates to drive the small conical gear to rotate, the small conical gear drives the large conical gear to rotate, and the gravity of the device is unloaded, so that a worker can save more labor when shaking the crank;

according to the invention, the connecting block can extend out by placing the base on the ground, when the connecting block extends out completely, the L-shaped clamping rod moves into the th clamping groove under the counter-acting force of the limiting spring, the position of the connecting block is fixed, and the position of the connecting block is fixed when the connecting block extends out;

according to the invention, the connecting blocks can be completely extended and fixed by placing the base on the ground, so that the stress area of the base is enlarged, more stable support is provided, the L-shaped clamping rod is pulled to move out of the th clamping groove, and the two connecting blocks are retracted to finish storage under the reaction force of the two return springs, so that the movement is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical support device for natural gas transportation vehicles according to the present invention;

FIG. 2 is a schematic side view of the mechanical support device for natural gas transportation vehicles according to the present invention;

FIG. 3 is a schematic structural diagram of part A in FIG. 1 of a mechanical support device for natural gas transportation vehicles according to the present invention;

FIG. 4 is a schematic structural diagram of part B in FIG. 1 of a mechanical support device for natural gas transportation vehicles according to the present invention;

FIG. 5 is a schematic structural diagram of a part C in FIG. 1 of a mechanical support device for natural gas transportation vehicles according to the present invention;

fig. 6 is a schematic structural diagram of a part C1 in fig. 5 of a mechanical support device for natural gas transportation vehicles according to the present invention.

In the figure, 1 base, 2 supporting columns, 3 lifting grooves, 4 rotating grooves, 5 screw rods, 6L-shaped plates, 7 screw rod guide sleeves, 8 lifting columns, 9 lifting holes, 10 supporting blocks, 11 through holes, 12 pressing holes, 13 pressing columns, 14 sliding rods, 15 sliding blocks, 16 push rods, 17 connecting rods, 18 fixed columns, 19 accommodating holes, 20 connecting blocks, 21 limiting discs, 22 movable grooves, 23 movable blocks, 24L-shaped clamping holes, 25L-shaped clamping rods, 26 limiting springs, 27 th clamping grooves, 28 rotating holes, 29 rotating shafts, 30 mounting grooves, 31 small conical gears, 32 large conical gears, 33 cranks, 34 rubber sleeves, 35 clamping holes, 36 clamping rods, 37 stopping blocks, 38 positioning springs, 39 second clamping grooves and 40 return springs.

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 some embodiments, not all embodiments, of the present invention .