CN214495558U

CN214495558U - Heater lifting device

Info

Publication number: CN214495558U
Application number: CN202023331638.3U
Authority: CN
Inventors: 司媛媛; 刘纯
Original assignee: Beijing Gerchin Technology Co ltd
Current assignee: Beijing Gerchin Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-26
Anticipated expiration: 2030-12-30

Abstract

The application discloses heater elevating gear, comprising a base plate, fixedly connected with guide bar on the bottom plate, guide bar one end has set firmly the roof, can dismantle on the roof and be connected with drive arrangement, drive arrangement rotates and is connected with the lead screw, the axis of lead screw is parallel with the axis of guide bar, guide bar sliding connection has the elevating platform, elevating platform and lead screw threaded connection, and the elevating platform sets up between bottom plate and roof, spacing platform has set firmly on the guide bar, spacing platform rotates with the lead screw to be connected, spacing platform sets up between bottom plate and elevating platform. This application has the effect that improves the security of elevating gear bottom equipment.

Description

Heater lifting device

Technical Field

The application relates to the technical field of lifting equipment, in particular to a heater lifting device.

Background

Referring to fig. 1, the conventional lifting device includes a bottom plate 1, the bottom plate 1 is a circular plate, guide rods 11 are fixedly disposed on a surface of one end of the bottom plate 1 in a thickness direction, and four guide rods 11 are uniformly disposed along a circumferential direction of the bottom plate 1 at intervals. One end of each of the four guide rods 11, which faces away from the bottom plate 1, is fixedly connected with a top plate 12, the top plate 12 is a circular plate, a driving device 2 is arranged on the top plate 12, the driving device 2 comprises a driving motor 21 and a speed reducer 22, which are fixedly connected to the top plate 12, an output shaft of the driving motor 21 is connected with an input end of the speed reducer 22, and an output end of the speed reducer 22 is fixedly connected with a lead screw 3. One end of the screw rod 3 penetrates through the top plate 12, the screw rod 3 coincides with the axis of the top plate 12, and the driving device 2 is used for driving the screw rod 3 to rotate around the axis of the driving device.

A lifting platform 4 is arranged between the top plate 12 and the bottom plate 1, the lifting platform 4 is a circular plate, and the four guide rods 11 penetrate through the lifting platform 4 and are in sliding connection with the lifting platform 4. The middle of the surface of the lifting platform 4 in the axial direction is provided with a driving screw hole 41, and the driving screw hole 41 can accommodate the lead screw 3 to be inserted and connected with the lead screw 3 in a threaded manner.

The above prior art solutions have the following drawbacks: other equipment needs to be installed and placed on a bottom plate of the lifting device, and in the descending movement process of the lifting platform, the lifting platform can collide with the equipment on the bottom plate, so that the equipment is damaged.

SUMMERY OF THE UTILITY MODEL

In order to improve the security of elevating gear bottom equipment, this application provides a heater elevating gear.

The application provides a heater elevating gear adopts following technical scheme:

heater elevating gear, comprising a base plate, fixedly connected with guide bar on the bottom plate, guide bar one end has set firmly the roof, can dismantle on the roof and be connected with drive arrangement, drive arrangement rotates and is connected with the lead screw, the axis of lead screw is parallel with the axis of guide bar, guide bar sliding connection has the elevating platform, elevating platform and lead screw threaded connection, just the elevating platform sets up between bottom plate and roof, set firmly spacing platform on the guide bar, spacing platform rotates with the lead screw to be connected, spacing platform sets up between bottom plate and elevating platform.

By adopting the technical scheme, the driving device drives the screw rod to rotate, the screw rod drives the lifting platform to descend, the lifting platform is contacted with the limiting platform, the limiting platform limits the lifting platform to further descend, the lifting platform is prevented from colliding and damaging equipment on the bottom plate, and the safety of the equipment at the bottom of the lifting device is improved.

Preferably, the limiting table is detachably connected with the guide rod, a fixing mechanism is detachably connected to the limiting table, the fixing mechanism can accommodate the guide rod to be inserted, and the limiting table can be stably connected with the guide rod through the fixing mechanism;

the limiting table is connected with the guide rod in a sliding mode, and the sliding direction of the limiting table is along the axis direction of the guide rod.

Through adopting above-mentioned technical scheme, can be according to the position of the spacing platform of specific operating conditions adjustment, with spacing platform and guide bar relative slip, change the distance between spacing platform and the bottom plate to use fixed establishment to be connected spacing platform and guide bar stability, spacing platform can play the limiting action to the elevating platform.

Preferably, the fixing mechanism comprises a fixing plate, the fixing plate is in threaded connection with a fixing bolt, and the fixing bolt can be in threaded connection with the limiting table;

the clamping sleeve is fixedly arranged on the fixed plate, a connecting groove is formed in the clamping sleeve along the axis direction of the clamping sleeve, the connecting groove penetrates through the inner side wall and the outer side wall of the clamping sleeve, a cut-off groove is formed in the outer side wall of the clamping sleeve, and the cut-off groove is communicated with the connecting groove and the inner cavity of the clamping sleeve;

and the clamping sleeve is provided with a clamping bolt in a penetrating way, and the clamping bolt is in threaded connection with the two side walls of the connecting groove.

By adopting the technical scheme, when the clamping bolt is screwed, the clamping bolt applies acting force to the clamping sleeve to enable the inner side surface of the clamping sleeve to be tightly pressed with the outer side surface of the guide rod, at the moment, the clamping sleeve is stably connected with the guide rod, the fixing plate is stably connected with the limiting table, and the limiting table is kept stable; when the clamping bolt is unscrewed, the clamping sleeve and the guide rod can move relatively, and the limiting table can slide relatively to the guide rod, so that the position of the limiting table is changed.

Preferably, cushions are fixedly arranged at two ends of the lifting platform.

Through adopting above-mentioned technical scheme, the elevating platform moves to when contacting with roof or limiting plate, and the blotter can reduce the elevating platform to the impact force of roof or limiting plate, improves the holistic stability of elevating gear.

Preferably, a contact switch is fixedly arranged on the buffer pad, and the contact switch is electrically connected with the driving device.

Through adopting above-mentioned technical scheme, when the elevating platform moved to contact switch and roof or limiting plate contact, contact switch triggered, and contact switch control drive arrangement stop work prevents drive arrangement overload damage, improves jacking equipment's security.

Preferably, a guardrail is fixedly arranged on the outer side surface of the lifting platform.

Through adopting above-mentioned technical scheme, when placing article on the elevating platform, the guardrail can restrict article motion range, prevents that the article on the elevating platform from dropping.

Preferably, the guardrail comprises a telescopic rod and a guardrail frame, the telescopic rod is fixedly arranged on the outer side surface of the lifting platform, and the guardrail frame is fixedly connected with the moving end of the telescopic rod.

Through adopting above-mentioned technical scheme, can highly change the length of telescopic link according to placing article on the elevating platform, make the whole high change of guardrail, can adapt to different kinds of article, play the guard action.

Preferably, the guardrail comprises a plurality of sub-fences, and the plurality of sub-fences are rotatably connected with the lifting platform;

the partition is fixedly provided with an inserting projection, the surface of the lifting platform is provided with an inserting groove, and the inserting groove can accommodate the inserting projection to be inserted;

the plug groove side wall has been seted up and has been stepped down the groove, it has the slip dog to step down inslot sliding connection, when the slip dog slides and stretches out the groove of stepping down, slip dog and the protruding contact of pegging graft.

Through adopting above-mentioned technical scheme, rotate the fence to the grafting arch insert the inserting groove in back, make slip dog and the protruding contact of grafting, the protruding motion of grafting is restricted to the slip dog, and then the rotation of restriction fence, keeps the stability in fence, improves the security of the last article of elevating platform.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a limit table is arranged between the bottom plate and the lifting table, and the moving range of the lifting table is limited by the limit table, so that equipment damage caused by collision of the lifting table on equipment at the bottom is prevented, and the safety of the equipment is improved;

2. the limiting table is detachably connected with the guide rod through a fixing mechanism and is in sliding connection with the guide rod, so that the position of the limiting table can be adjusted according to actual needs;

3. set up shock pad and contact switch on the elevating platform, reduce the elevating platform and move and reduce the impact force when contacting with roof or spacing platform to through contact switch stop drive arrangement, protection drive arrangement.

Drawings

Fig. 1 is a schematic view of the overall structure of a lifting device in the background art;

fig. 2 is a schematic overall structure diagram of a lifting device in an embodiment of the present application;

fig. 3 is a schematic overall structure diagram of a lifting device in the second embodiment of the present application;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic view of the whole structure of a guardrail in the third embodiment of the present application;

fig. 6 is a schematic structural diagram of four guardrail portions according to the embodiment of the application.

Description of reference numerals: 1. a base plate; 11. a guide bar; 12. a top plate; 2. a drive device; 21. a drive motor; 22. a speed reducer; 3. a lead screw; 4. a lifting platform; 41. a driving screw hole; 42. a cushion pad; 43. a contact switch; 44. inserting grooves; 45. a yielding groove; 46. a sliding stopper; 5. a limiting table; 51. connecting holes; 6. a fixing mechanism; 61. a fixing plate; 611. fixing the bolt; 62. a clamping sleeve; 621. connecting grooves; 622. a cut-off groove; 623. clamping the bolt; 7. a guardrail; 71. a telescopic rod; 72. a hurdle frame; 73. dividing columns; 731. and (4) inserting and connecting the bulges.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses heater elevating gear.

Example one

Referring to fig. 2, the lifting platform comprises a limiting platform 5, the limiting platform 5 is a circular plate, the limiting platform 5 is arranged between the lifting platform 4 and the bottom plate 1, and the axis of the limiting platform 5 coincides with the axis of the lifting platform 4. The guide rod 11 passes through the limiting table 5 and is fixedly connected with the limiting table 5. Connecting hole 51 is seted up in the centre of spacing 5 thickness direction surface, and the axis of connecting hole 51 and the coincidence of spacing 5 axis, connecting hole 51 can hold lead screw 3 and insert to spacing 5 is connected with lead screw 3 rotation.

The surface at 4 axis direction both ends of elevating platform all is provided with blotter 42, and the ring of guide bar 11 lateral surface is located for the cover to blotter 42, and

blotter

42 and 4 fixed connection of elevating platform, and blotter 42 evenly is provided with four in every one end of elevating platform 4 along the circumference direction interval of elevating platform 4.

The implementation principle of the heater lifting device in the embodiment of the application is as follows: when the elevating platform 4 descends until the cushion pad 42 contacts the limit platform 5, the limit platform 5 limits further movement of the elevating platform 4, and prevents the elevating platform 4 from colliding with the equipment mounted on the base plate 1. The cushion pad 42 can reduce the impact force of the lifting table 4 on the limit table 5 and the top plate 12, and improve the overall stability of the lifting device.

Example two

Referring to fig. 3 and 4, the difference from the first embodiment is that the guide rod 11 is detachably connected to the stopping block 5, the stopping block 5 is slidably connected to the guide rod 11, and the sliding direction of the stopping block 5 is along the axial direction of the guide rod 11. The limiting table 5 is provided with a fixing mechanism 6, the fixing mechanism 6 comprises a fixing plate 61, the fixing plate 61 is provided with a fixing bolt 611 in a penetrating mode, the fixing bolt 611 is in threaded connection with the fixing plate 61, and one end, penetrating through the fixing plate 61, of the fixing bolt 611 can be in threaded connection with the limiting table 5.

Referring to fig. 4, the fixing plate 61 is provided with a relief hole, the diameter of the relief hole is equal to the diameter of the guide rod 11, and the relief hole is not shown in the figure. The fixing plate 61 is fixedly provided with a clamping sleeve 62, the clamping sleeve 62 is a circular sleeve with the inner diameter equal to the outer diameter of the guide rod 11, the axis of the clamping sleeve 62 coincides with the axis of the abdicating hole, and one end of the clamping sleeve 62 in the axis direction is fixedly connected with the fixing plate 61. The surface of the clamping sleeve 62 facing away from the fixing plate 61 is provided with a connecting groove 621, the connecting groove 621 is a rectangular groove, and the connecting groove 621 penetrates through the inner and outer side walls of the clamping sleeve 62. The outer side surface of the clamping sleeve 62 is provided with a cut-off groove 622, and the cut-off groove 622 is communicated with the connecting groove 621 and the inner cavity of the clamping sleeve 62. A clamping bolt 623 is arranged on the outer side surface of the clamping sleeve 62 in a penetrating manner, and the clamping bolt 623 penetrates through the connecting groove 621 and is in threaded connection with both side walls of the connecting groove 621.

Four fixing mechanisms 6 are arranged on the limiting table 5, and the four fixing mechanisms 6 are arranged in one-to-one correspondence with the four guide rods 11.

The buffer pads 42 are respectively and fixedly provided with a contact switch 43, the contact switches 43 are electrically connected with the driving motor 21, and the driving motor 21 can stop working when the contact switches 43 are triggered.

The implementation principle of the above embodiment is as follows: when the clamping bolt 623 is unscrewed, no acting force exists between the fixing mechanism 6 and the guide rod 11, the limiting table 5 can slide along the axis direction of the guide rod 11 at the moment, the distance between the limiting table 5 and the bottom plate 1 is changed, a corresponding space is reserved for other equipment arranged on the bottom plate 1, or the space between the limiting table 5 and the bottom plate 1 is increased when the equipment needs to be overhauled. After the position of the limiting table 5 is determined, the clamping bolt 623 is screwed, the inner side surface of the clamping sleeve 62 is pressed against the outer side surface of the guide rod 11 by the clamping bolt 623, the limiting table 5 is stably connected with the guide rod 11, and the limiting table 5 can limit the movement of the lifting table 4.

When the lifting platform 4 moves until the contact switch 43 contacts the top plate 12 or the limit platform 5, the contact switch 43 controls the driving motor 21 to stop working, and the driving motor 21 is prevented from being damaged due to overload.

EXAMPLE III

Referring to fig. 5, the difference from the first embodiment is that a guardrail 7 is disposed on the lifting platform 4, and the guardrail 7 includes an expansion link 71 and a guardrail frame 72.

The telescopic rods 71 are fixedly connected with the outer side face of the lifting platform 4, the axis of each telescopic rod 71 is parallel to the axis of the lifting platform 4, and eight telescopic rods 71 are uniformly arranged along the circumferential direction of the lifting platform 4 at intervals. The hurdle frame 72 is a circular ring, and one end of the hurdle frame 72 in the axial direction is fixedly connected with the surface of the moving end of the eight telescopic rods 71, which is back to the lifting platform 4.

The implementation principle of the above embodiment is as follows: when placing article on elevating platform 4, guardrail 7 can block that article drop from elevating platform 4 on elevating platform 4 to can highly change the length of telescopic link 71 according to article, make the whole height of guardrail 7 conform with highly of article, play better protection effect to article on elevating platform 4.

Example four

Referring to fig. 6, the difference from the third embodiment is that the guard rail 7 includes a partition 73, the partition 73 is a rectangular plate, two ends of the partition 73 in the length direction face the axes of two adjacent guide rods 11, one end of the partition 73 in the width direction is rotatably connected to the surface of one end of the lifting platform 4 in the axis direction, the rotation axis of the partition 73 is along the length direction of the partition 73, and four partitions 73 are uniformly arranged at intervals along the circumferential direction of the lifting platform 4.

The surface of the partition 73 opposite to the axis of the lifting table 4 in the thickness direction is fixedly provided with an insertion protrusion 731, the insertion protrusion 731 is arranged in the middle of one end of the partition 73 facing the lifting table 4 in the width direction, the insertion protrusion 731 is a rectangular protrusion, the length direction of the insertion protrusion 731 is along the width direction of the partition 73, and one end of the insertion protrusion 731 in the length direction extends out of the partition 73.

The lifting platform 4 is provided with the insertion groove 44, the insertion groove 44 is a rectangular groove, the insertion groove 44 can accommodate the insertion protrusion 731 to insert, when the column 73 rotates to the width direction of the column and is perpendicular to the surface of the lifting platform 4, the insertion protrusion 731 is located in the insertion groove 44, and the insertion groove 44 is uniformly provided with four insertion protrusions at intervals along the circumferential direction of the lifting platform 4.

Inserting groove 44 has seted up along the one end surface of subfield 73 length direction and has stepped down groove 45, and groove 45 of stepping down is rectangular groove, and it has sliding stop 46 to step down sliding connection in groove 45, and sliding stop 46 is the cuboid, and sliding stop 46's sliding direction is along the length direction of subfield 73. When the sliding stopper 46 slides out of the receding groove 45, one side surface of the sliding stopper 46 contacts with one side surface of the insertion protrusion 731.

The implementation principle of the above embodiment is as follows: when articles need to be placed on the lifting platform 4, the partition 73 is rotated to enable the partition 73 to be perpendicular to the lifting platform 4, the inserting protrusion 731 is located in the inserting groove 44, the sliding block 46 slides out of the abdicating groove 45, the sliding block 46 is in contact with the inserting protrusion 731, the sliding block 46 limits the rotation of the inserting protrusion 731, the rotation of the partition 73 is further limited, and the stability of the partition 73 is kept.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heater elevating gear, includes bottom plate (1), fixedly connected with guide bar (11) on bottom plate (1), guide bar (11) one end has set firmly roof (12), can dismantle on roof (12) and be connected with drive arrangement (2), drive arrangement (2) are rotated and are connected with lead screw (3), the axis of lead screw (3) is parallel with the axis of guide bar (11), guide bar (11) sliding connection has elevating platform (4), elevating platform (4) and lead screw (3) threaded connection, just elevating platform (4) set up between bottom plate (1) and roof (12), its characterized in that: the guide rod (11) is fixedly provided with a limiting table (5), the limiting table (5) is rotatably connected with the lead screw (3), and the limiting table (5) is arranged between the bottom plate (1) and the lifting table (4).

2. The heater elevating apparatus according to claim 1, wherein: the limiting table (5) is detachably connected with the guide rod (11), the limiting table (5) is detachably connected with a fixing mechanism (6), the fixing mechanism (6) can accommodate the guide rod (11) to be inserted, and the limiting table (5) can be stably connected with the guide rod (11) by the fixing mechanism (6);

spacing platform (5) and guide bar (11) sliding connection, just the slip direction of spacing platform (5) is along the axis direction of guide bar (11).

3. The heater elevating apparatus according to claim 2, wherein: the fixing mechanism (6) comprises a fixing plate (61), the fixing plate (61) is in threaded connection with a fixing bolt (611), and the fixing bolt (611) can be in threaded connection with the limiting table (5);

the fixing plate (61) is fixedly provided with a clamping sleeve (62), the clamping sleeve (62) is provided with a connecting groove (621) along the axis direction, the connecting groove (621) penetrates through the inner side wall and the outer side wall of the clamping sleeve (62), the outer side wall of the clamping sleeve (62) is provided with a cut-off groove (622), and the cut-off groove (622) is communicated with the connecting groove (621) and the inner cavity of the clamping sleeve (62);

clamping bolts (623) penetrate through the clamping sleeve (62), and the clamping bolts (623) are in threaded connection with two side walls of the connecting groove (621).

4. The heater elevating apparatus according to claim 1, wherein: and buffer cushions (42) are fixedly arranged at the two ends of the lifting platform (4).

5. The heater elevating apparatus according to claim 4, wherein: the buffer pad (42) is fixedly provided with a contact switch (43), and the contact switch (43) is electrically connected with the driving device (2).

6. The heater elevating apparatus according to claim 1, wherein: and a guardrail (7) is fixedly arranged on the outer side surface of the lifting platform (4).

7. The heater elevating apparatus according to claim 6, wherein: guardrail (7) include telescopic link (71) and hurdle frame (72), telescopic link (71) set firmly in elevating platform (4) lateral surface, hurdle frame (72) and the removal end fixed connection of telescopic link (71).

8. The heater elevating apparatus according to claim 6, wherein: the guardrail (7) comprises a plurality of sub-fences (73), and the plurality of sub-fences (73) are rotatably connected with the lifting platform (4);

an inserting projection (731) is fixedly arranged on the partition (73), an inserting groove (44) is formed in the surface of the lifting platform (4), and the inserting groove (44) can accommodate the inserting projection (731) to be inserted;

the side wall of the insertion groove (44) is provided with a yielding groove (45), the yielding groove (45) is internally and slidably connected with a sliding stop block (46), and when the sliding stop block (46) slides and extends out of the yielding groove (45), the sliding stop block (46) is in contact with the insertion protrusion (731).