CN220468808U - Bottom pivot device and triangular gate - Google Patents
Bottom pivot device and triangular gate Download PDFInfo
- Publication number
- CN220468808U CN220468808U CN202321942184.4U CN202321942184U CN220468808U CN 220468808 U CN220468808 U CN 220468808U CN 202321942184 U CN202321942184 U CN 202321942184U CN 220468808 U CN220468808 U CN 220468808U
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- bottom pivot
- pull rod
- seat
- mushroom head
- piece
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- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 49
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000002035 prolonged effect Effects 0.000 claims abstract description 5
- 230000000670 limiting effect Effects 0.000 claims description 103
- 238000007789 sealing Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000004372 laser cladding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a bottom pivot device and a triangular gate, and relates to the technical field of triangular gates, comprising a bottom pivot pull rod seat, a bottom pivot supporting seat and a connecting assembly; the bottom pivot pull rod seat is connected with the bottom pivot supporting seat through a connecting component; the bottom pivot pull rod seat is provided with two first connecting plates, and the bottom pivot support seat is connected with a pull rod; the pull rod is inserted between the two first connecting plates; under the combined action of the connecting component, the pull rod and the first connecting plate, the slenderness ratio of the pull rod is shortened, the compression resistance of the pull rod is improved, and the service life is prolonged; the triangular gate mainly bears the gravity of the vertical door body and the water pressure in the horizontal direction in the normal use process, horizontal stress is transmitted to lateral concrete through the bottom pivot, the pull rod, the first connecting plate and the bottom pivot pull rod seat, and mushroom heads and mushroom head bushings between the bearing pedestal and the bottom pivot bearing seat only bear the force in the vertical direction, so that the stress is more reasonable, and the wear resistance is improved.
Description
Technical Field
The utility model belongs to the technical field of triangular gates, and particularly relates to a bottom pivoting device and a triangular gate.
Background
The ship lock is used as an important component of the whole hydraulic and hydroelectric engineering, and the normal operation of the ship lock plays a vital role on the whole water-borne navigation line. The bottom pivot device is a main bearing system of the ship lock gate, plays roles in bearing the gravity of the gate body and transmitting external water pressure, and is an important part for supporting the operation of the gate; but the bottom pivot device is always in the working environment of soaking in water and sediment pollution, and the working environment is poor.
The triangular gate bears a bidirectional water head and is used for opening and closing the water, and the triangular gate has higher performance requirements on the bottom pivoting device. On the one hand, the weight of the gate body of the triangular gate is large, so that the supporting system bears a large load, and the gate is frequently opened and closed, so that abrasion of operating parts is caused. On the other hand, the triangular gate is often used for the bidirectional water head water start and stop, so that the operation process is unstable, and the phenomena of grinding, corrosion and the like of the supporting running piece can be further aggravated due to poor working environment, unsmooth lubrication and the like of the supporting device.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a bottom pivot device and a triangular gate, which are reasonable in stress and long in service life.
The utility model provides the following technical scheme:
in a first aspect, a bottom pivot apparatus is provided, comprising a bottom pivot drawbar seat, a bottom pivot support seat, and a connection assembly; the bottom pivot pull rod seat and the bottom pivot supporting seat are positioned on the same straight line and are connected through a connecting component; the bottom pivot pull rod seat is provided with two first connecting plates which are distributed up and down, and the bottom pivot support seat is connected with a pull rod; the pull rod is inserted between the two first connecting plates; the connecting component comprises a right limiting piece; a right limiting opening is arranged on the first connecting plate; the pull rod is provided with a matched limit opening; the right limiting opening is opposite to the matching limiting opening, and the right limiting piece is penetrated with the matching limiting opening and the right limiting opening.
Preferably, the right limiting piece is a wedge-shaped block, and the inclined surface of the right limiting piece deviates from the bottom pivot supporting seat; the bottom pivot pull rod seat is provided with a bracket, an adjusting bolt is arranged on the bracket, and the adjusting bolt is in screw transmission connection with the right limiting piece; when the adjusting bolt is rotated, the right limiting piece is lifted along the adjusting bolt; when the right limiting piece moves to the set position, the inclined surface of the right limiting piece abuts against the side wall of the matched limiting opening.
Preferably, the end of the pull rod, which is away from the bottom pivot supporting seat, is provided with an abutting surface; the connecting assembly further comprises a left limiting piece; a left limiting opening is arranged on the first connecting plate; the left limiting opening is close to the bottom pivot pull rod seat, and the right limiting opening is close to the bottom pivot supporting seat; the left limiting piece penetrates through the left limiting opening, and the surface, close to the bottom pivot supporting seat, of the left limiting piece is abutted with the abutting surface of the pull rod.
Preferably, the left limiting piece is also in screw transmission connection with an adjusting bolt, and the adjusting bolt is also arranged on the bracket; the abutting surface of the pull rod is an inclined surface, the left limiting piece is a wedge-shaped block, the inclined surface of the left limiting piece abuts against the abutting surface, and the abutting surface is overlapped with the inclined surface of the right limiting piece after being prolonged.
Preferably, the bottom pivot supporting seat is provided with a bottom pivot, and the pull rod is rotationally connected with the bottom pivot; the lower part of the bottom pivot supporting seat is connected with a bearing shaft table; the bottom pivoting pull rod seat is detachably connected with the embedded part.
Preferably, the bottom pivot is pivoted with two pull rods; the two pull rods are connected with the two bottom pivot pull rod seats in a one-to-one correspondence through the two connecting assemblies.
Preferably, the wedge block brackets with adjustable heights are supported below the left limiting piece and the right limiting piece; the wedge block support comprises a support steel frame, an upper wedge block, a lower wedge block, a baffle plate and a horizontal power driving piece; the upper wedge block is supported below the left limit piece or the right limit piece; the lower wedge block is connected to the top surface of the supporting steel frame in a sliding manner; the bottom of the support steel frame is connected with the pull rod bolster and the embedded part; the horizontal power driving piece acts on the lower wedge block; the baffle is arranged on the top surface of the supporting steel frame, and the baffle and the horizontal power driving piece are respectively positioned on two opposite sides of the lower wedge block; the baffle is abutted against the first wedge block and a certain transverse movement gap is formed between the baffle and the lower wedge block.
Preferably, the bottom of the bottom pivot supporting seat is connected with the bearing shaft table through a radial stress component; the radial stress assembly comprises a mushroom head and a mushroom head bushing; the bearing shaft table is arranged in the concrete at the bottom, and the mushroom head is arranged in a groove on the top surface of the bearing shaft table; the mushroom head bushing is arranged in a groove of the bottom pivot supporting seat facing to the bearing pedestal side; the mushroom head is matched with the spherical pair of the mushroom head lining.
Preferably, a sealing ring is mounted on the head of the mushroom head in a matched manner, a first sealing ring baffle and a second sealing ring baffle which are positioned on the outer side of the mushroom head are arranged on the bottom pivot supporting seat, and the first sealing ring baffle is positioned between the second sealing ring baffle and the bottom pivot supporting seat; the inner wall of the first sealing ring baffle is provided with a convex edge extending inwards; the sealing ring is positioned between the convex edge and the second sealing ring baffle; an oil inlet is formed in the bottom pivot supporting seat, and an oil outlet is formed in the first sealing ring baffle; lubricating oil flows into the contact surface of the mushroom head and the mushroom head lining through the oil inlet.
In a second aspect, there is provided a triangular gate comprising the bottom pivoting means described in the first aspect.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The pull rod, the connecting component and the first connecting plate are utilized to complete the connection of the bottom pivot pull rod seat and the bottom pivot supporting seat, and the inclined surface of the right limiting piece is abutted against the side wall of the matched limiting opening, so that the pull rod is prevented from rotating and is prevented from moving towards the side of the bottom pivot supporting seat; the left limiting piece penetrates through the left limiting opening, and the surface, close to the bottom pivot supporting seat, of the left limiting piece is abutted to the abutting surface of the pull rod, so that the pull rod is prevented from moving towards the bottom pivot pull rod seat, the slenderness ratio of the pull rod is shortened under the combined action of the connecting assembly, the pull rod and the first connecting plate, the compression resistance of the pull rod is improved, and the service life of the pull rod is prolonged.
(2) The triangular gate mainly bears the gravity of the vertical door body and the water pressure in the horizontal direction in the normal use process, horizontal stress is transmitted to lateral concrete through the bottom pivot, the pull rod, the first connecting plate and the bottom pivot pull rod seat, and mushroom heads and mushroom head bushings between the bearing pedestal and the bottom pivot bearing seat only bear the force in the vertical direction, so that the stress is more reasonable, and the wear resistance is improved.
(3) The wedge-shaped support with adjustable height can be in close contact with the bottoms of the first limiting piece and the second limiting piece, so that an effective supporting effect is achieved on the connecting assembly, and the stability of the connecting assembly for connecting the pull rod and the bottom pivot pull rod seat is improved.
(4) The mushroom head base material is forged 40Cr, and the surface is reinforced by adopting a laser cladding process to form a cladding layer, so that the wear resistance, corrosion resistance and compression resistance of the mushroom head are greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a bottom pivoting device of the present utility model;
FIG. 2 is an enlarged schematic view of the bottom bracket bearing of the present utility model;
FIG. 3 is an enlarged schematic view of the portion I of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of the C-direction structure of the wedge bracket of FIG. 1 in accordance with the present utility model;
FIG. 5 is a schematic view of section A-A of FIG. 1 in accordance with the present utility model;
FIG. 6 is a schematic view of section B-B of FIG. 5 in accordance with the present utility model;
FIG. 7 is a schematic view of section C-C of FIG. 5 in accordance with the present utility model;
FIG. 8 is a schematic top view of the connection of the bottom bracket and the bottom bracket bearing of the present utility model when there are two bottom bracket brackets;
FIG. 9 is a front cross-sectional view of a tie rod of the present utility model;
FIG. 10 is a top view of a tie rod of the present utility model;
FIG. 11 is a front view of a first web of the present utility model;
fig. 12 is a top view of a first connection plate according to the present utility model.
Marked in the figure as: 1 is a bottom pivot pull rod seat, 11 is a first connecting plate, 111 is a left limit opening, 112 is a right limit opening, 2 is a bottom pivot support seat, 21 is a pull rod, 211 is a matched limit opening, 212 is an abutting surface, 22 is a bottom pivot, 3 is a right limit piece, 4 is a left limit piece, 5 is a support, 6 is an adjusting bolt, 7 is a bearing pedestal, 8 is a wedge support, 81 is a support steel frame, 82 is an upper wedge, 83 is a lower wedge, 84 is a baffle, 85 is a pull rod bolster and a buried piece, 91 is a mushroom head, 92 is a mushroom head bushing, 93 is a sealing ring, 94 is a first sealing ring baffle, 95 is a second sealing ring baffle, 96 is an oil inlet, and 97 is an oil outlet.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1, a bottom pivot device comprises a bottom pivot pull rod seat 1, a bottom pivot supporting seat 2 and a connecting assembly; the bottom pivot pull rod seat 1 is connected with the bottom pivot support seat 2 through a connecting assembly, all the three are on the same straight line, the bottom pivot pull rod seat 1 is provided with a first connecting plate 11 on an upper layer and a lower layer, and the bottom pivot support seat 2 is connected with a pull rod 21; specifically, a bottom pivot 22 is mounted on the bottom pivot support seat 2, one end of the pull rod 21 is rotatably connected to the bottom pivot 22, and the other end is inserted between the two first connecting plates 11; the lower part of the bottom pivot supporting seat 2 is connected with a bearing shaft table 7; the bottom pivoting pull rod seat 1 is detachably connected with an embedded part, and the embedded part is embedded in the concrete on the side face in advance.
In some other embodiments, as shown in fig. 8, two pull rods 21 are rotatably connected to the bottom pivot 22, and two pull rod holders 1 are also installed in different concrete ranges, and the pull rods 21 are connected to the bottom pivot pull rod holders 1 in a one-to-one correspondence.
As shown in fig. 1, 9-12, the connection assembly includes a right side stop 3; a right limiting opening 112 is arranged on the first connecting plate 11, and the right limiting openings 112 are arranged on the first connecting plates 11 of the upper layer and the lower layer; the pull rod 21 is provided with a matched limit opening 211; when the pull rod 21 is inserted between the two first connecting plates 11, the right limiting opening 112 is opposite to the matching limiting opening 211, and the right limiting piece 3 is threaded through the matching limiting opening 211 and the right limiting opening 112, so that movement between the pull rod 21 and the first connecting plates 11 is limited, and the height of the pull rod 21 is matched with the distance between the two first connecting plates 11, namely, the pull rod 21 can only go in and go out between the two first connecting plates 11 in the horizontal direction.
As shown in fig. 1, optionally, the right limiting member 3 is a wedge block, and an inclined surface of the right limiting member 3 faces away from the bottom pivot supporting seat 2; the bottom pivot pull rod seat 1 is provided with a bracket 5, an adjusting bolt 6 is arranged on the bracket 5, and the adjusting bolt 6 is in screw transmission connection with the right limiting piece 3; when the adjusting bolt 6 is rotated, the right limiting piece 3 is lifted along the adjusting bolt 6; when the right limiting piece 3 moves to the set position, the inclined surface of the right limiting piece 3 abuts against the side wall of the matching limiting opening 211, so that the pull rod 21 is prevented from rotating and the pull rod 21 is prevented from moving towards the side of the bottom pivot supporting seat 2.
Further, the end of the pull rod 21 facing away from the bottom pivot bearing 2 is provided with an abutment surface 212; the connecting assembly further comprises a left limiting piece 4; a left limit opening 111 is provided on the first connecting plate 11; the left limiting opening 111 is close to the bottom pivot rod seat 1, the right limiting opening 112 is close to the bottom pivot supporting seat 2, and the left side and the right side are only used for distinguishing two limiting pieces and have no limiting effect on the application; the left limiting piece 4 is penetrated through the left limiting opening 111, and the surface of the left limiting piece 4 close to the bottom pivot supporting seat 2 is abutted with the abutting surface 212 of the pull rod 21, so that the pull rod 21 is prevented from moving towards the bottom pivot pull rod seat 1.
Optionally, an adjusting bolt 6 is also connected to the left limiting piece 4 in a screw transmission manner, and the adjusting bolt 6 is also installed on the bracket 5; the abutting surface 212 of the pull rod 21 is an inclined surface, the left limiting piece 4 is a wedge-shaped block, the inclined surface of the left limiting piece 4 abuts against the abutting surface 212, and the abutting surface 212 of the pull rod 21 is overlapped with the inclined surface of the right limiting piece 3 after being prolonged; the lifting of the left limiting piece 4 or the right limiting piece 3 connected with the adjusting bolt 6 can be realized by rotating the adjusting bolt 6, so that the pull rod 21, the left limiting piece 4 and the right limiting piece 3 are more stably installed, and meanwhile, under the combined action of the connecting component, the pull rod 21 and the first connecting plate 11, the slenderness ratio of the pull rod 21 is shortened, and the compression resistance of the pull rod 21 is improved; the triangular gate mainly bears the gravity of the vertical door body and the water pressure in the horizontal direction in the normal use process, and horizontal stress is transferred to lateral concrete through the bottom pivot 22, the pull rod 21, the first connecting plate 11 and the bottom pivot pull rod seat 1.
As shown in fig. 1 and 4, further, a wedge bracket 8 with adjustable height is supported below the left side limiting piece 4 and the right side limiting piece 3; the wedge block bracket 8 comprises a supporting steel frame 81, an upper wedge block 82, a lower wedge block 83, a baffle 84 and a horizontal power driving piece; the inclined surfaces of the upper wedge block 82 and the lower wedge block 83 are in sliding connection, and the upper wedge block 82 is supported below the left limiting part 4 or the right limiting part 3; the top surface of the upper wedge block 82 and the bottom surface of the lower wedge block 83 are horizontal planes, and the lower wedge block 83 is slidably connected to the top surface of the supporting steel frame 81; the bottom of the support steel frame 81 is connected with the pull rod bolster and the embedded part 85 and is arranged in the concrete at the bottom through the pull rod bolster and the embedded part 85; the horizontal power driving piece is arranged on the top surface of the supporting steel frame 81 or other surfaces, and can be an air cylinder, a jack or other linear modules as long as the horizontal power driving piece acts on the lower wedge block 83 and pushes the lower wedge block 83 to move towards the side where the baffle 84 is arranged; the baffle 84 is mounted on the top surface of the support steel frame 81, and the baffle 84 and the horizontal power driving part are respectively positioned on two opposite sides of the lower wedge block 83; the baffle 84 is attached to the first wedge, a certain lateral movement gap is formed between the baffle 84 and the lower wedge 83, that is, after the lower wedge 83 is pushed by the horizontal power driving part to move, the upper wedge 82 moves along the inclined plane, and the upper wedge 82 does not move laterally due to the limiting effect of the baffle 84, so that the upper wedge 82 can prop against the lower surface of the left side limiting part 4 or the right side limiting part 3, a good supporting effect is provided for the left side limiting part 4 or the right side limiting part 3, the contact angle of the upper wedge 82 and the lower wedge 83 with the inclined plane is controlled within the friction angle, so that self-locking is realized, the upper wedge 83 and the lower wedge 83 do not move due to the stressed pressure, and a good supporting effect is further ensured on the wedge connected with the bottom pivoting pull rod 21.
As shown in fig. 2, optionally, the bottom of the bottom pivot supporting seat 2 is connected with the bearing shaft table 7 through a radial stress assembly; the radial stress component comprises a mushroom head 91 and a mushroom head bushing 92; the bearing shaft table 7 is installed in the concrete at the bottom through an anchor bolt assembly, and the mushroom head 91 is installed in a groove on the top surface of the bearing shaft table 7 through a check key, so that the mushroom head 91 is prevented from falling off from the bearing shaft table 7 in the rotating process; the mushroom head bush 92 is nested in the bottom pivot support seat 2 in a tight fit manner, in particular, the mushroom head bush 92 is installed in a groove of the bottom pivot support seat 2 facing the bearing pedestal 7 side; the mushroom head 91 is matched with the spherical pair of the mushroom head bushing 92, the center line of the mushroom head 91 coincides with the center line of the bottom pivot shaft 22, and the center line is the rotation center of the triangular gate, and the mushroom head 91 only bears vertical stress, so that the abrasion of the mushroom head 91 can be reduced, and the durability of the bottom pivot device is improved.
As shown in fig. 3, optionally, a sealing ring 93 is cooperatively installed on the head of the mushroom head 91, a first sealing ring baffle 94 and a second sealing ring baffle 95 are arranged on the bottom pivot supporting seat 2 and positioned outside the mushroom head 91, and the first sealing ring baffle 94 is positioned between the second sealing ring baffle 95 and the bottom pivot supporting seat 2; the inner wall of the first sealing ring baffle 94 is provided with a convex edge extending inwards; the sealing ring 93 is positioned between the convex edge and the second sealing ring baffle 95; an oil inlet 96 is formed in the bottom pivot supporting seat 2, and an oil outlet 97 is formed in the first sealing ring baffle 94; lubricating oil flows into the contact surface of the mushroom head 91 and the mushroom head bushing 92 through the oil inlet 96, the base material of the mushroom head 91 is forging 40Cr, and the surface is reinforced by adopting a laser cladding process to form a cladding layer, so that the wear resistance, corrosion resistance and compression resistance of the mushroom head 91 are greatly improved.
An installation process; during installation, the bearing pedestal 7 is installed in bottom concrete, and the bottom pivot pull rod seat 1, the pull rod bolster and the embedded part 85 are installed in side concrete; the mushroom head 91 and the mushroom head bushing 92 between the bottom pivot support seat 2 and the bearing shaft table 7 are installed, and the mushroom head 91 and the mushroom head bushing 92 can rotate relatively; the pull rod 21 is rotatably inserted between the two first connecting plates 11, and then the adjusting bolt 6 connected with the right limiting piece 3 is rotated, so that the right limiting piece 3 ascends until the inclined surface of the right limiting piece 3 abuts against the side wall of the right limiting opening 112; the adjusting bolt 6 connected with the left limiting piece 4 is rotated, so that the left limiting piece 4 ascends until the inclined surface of the left limiting piece 4 abuts against the abutting surface 212 of the pull rod 21; the height of the wedge bracket 8 is adjusted until the upper top surface of the upper wedge 82 abuts against the bottoms of the first and second stoppers.
Example 2
There is provided a triangular gate to which the bottom pivoting device described in embodiment 1 above is applied.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (10)
1. The bottom pivot device is characterized by comprising a bottom pivot pull rod seat, a bottom pivot supporting seat and a connecting assembly; the bottom pivot pull rod seat and the bottom pivot supporting seat are positioned on the same straight line and are connected through a connecting component; the bottom pivot pull rod seat is provided with two first connecting plates which are distributed up and down, and the bottom pivot support seat is connected with a pull rod; the pull rod is inserted between the two first connecting plates;
the connecting component comprises a right limiting piece; a right limiting opening is arranged on the first connecting plate; the pull rod is provided with a matched limit opening; the right limiting opening is opposite to the matching limiting opening, and the right limiting piece is penetrated with the matching limiting opening and the right limiting opening.
2. The bottom pivot assembly of claim 1 wherein the right side stop is a wedge and wherein the incline of the right side stop faces away from the bottom pivot support; the bottom pivot pull rod seat is provided with a bracket, an adjusting bolt is arranged on the bracket, and the adjusting bolt is in screw transmission connection with the right limiting piece; when the adjusting bolt is rotated, the right limiting piece is lifted along the adjusting bolt; when the right limiting piece moves to the set position, the inclined surface of the right limiting piece abuts against the side wall of the matched limiting opening.
3. The bottom pivot device of claim 2 wherein the end of the pull rod facing away from the bottom pivot support seat is provided with an abutment surface; the connecting assembly further comprises a left limiting piece; a left limiting opening is arranged on the first connecting plate; the left limiting opening is close to the bottom pivot pull rod seat, and the right limiting opening is close to the bottom pivot supporting seat; the left limiting piece penetrates through the left limiting opening, and the surface, close to the bottom pivot supporting seat, of the left limiting piece is abutted with the abutting surface of the pull rod.
4. A bottom-pivoted device according to claim 3, characterized in that an adjusting bolt is also screwed onto the left-hand limit piece, which adjusting bolt is also mounted on the bracket; the abutting surface of the pull rod is an inclined surface, the left limiting piece is a wedge-shaped block, the inclined surface of the left limiting piece abuts against the abutting surface, and the abutting surface is overlapped with the inclined surface of the right limiting piece after being prolonged.
5. The bottom pivot device of claim 1, wherein the bottom pivot bearing is provided with a bottom pivot, and the pull rod is rotatably connected with the bottom pivot; the lower part of the bottom pivot supporting seat is connected with a bearing shaft table; the bottom pivoting pull rod seat is detachably connected with the embedded part.
6. The bottom pivot assembly of claim 1 wherein said bottom pivot has two tie rods rotated thereon; the two pull rods are connected with the two bottom pivot pull rod seats in a one-to-one correspondence through the two connecting assemblies.
7. A bottom pivot assembly as defined in claim 3, wherein a height adjustable wedge bracket is supported below each of said left and right side stops; the wedge block support comprises a support steel frame, an upper wedge block, a lower wedge block, a baffle plate and a horizontal power driving piece; the upper wedge block is supported below the left limit piece or the right limit piece; the lower wedge block is connected to the top surface of the supporting steel frame in a sliding manner; the bottom of the support steel frame is connected with the pull rod bolster and the embedded part; the horizontal power driving piece acts on the lower wedge block; the baffle is arranged on the top surface of the supporting steel frame, and the baffle and the horizontal power driving piece are respectively positioned on two opposite sides of the lower wedge block; the baffle is abutted against the first wedge block and a certain transverse movement gap is formed between the baffle and the lower wedge block.
8. The bottom pivot assembly of claim 1, wherein the bottom of the bottom pivot support seat is connected to the bearing platform by a radial force assembly; the radial stress assembly comprises a mushroom head and a mushroom head bushing; the bearing shaft table is arranged in the concrete at the bottom, and the mushroom head is arranged in a groove on the top surface of the bearing shaft table; the mushroom head bushing is arranged in a groove of the bottom pivot supporting seat facing to the bearing pedestal side; the mushroom head is matched with the spherical pair of the mushroom head lining.
9. The bottom pivot device of claim 8, wherein a sealing ring is cooperatively installed on the head of the mushroom head, a first sealing ring baffle and a second sealing ring baffle are arranged on the bottom pivot supporting seat and are positioned outside the mushroom head, and the first sealing ring baffle is positioned between the second sealing ring baffle and the bottom pivot supporting seat; the inner wall of the first sealing ring baffle is provided with a convex edge extending inwards; the sealing ring is positioned between the convex edge and the second sealing ring baffle;
an oil inlet is formed in the bottom pivot supporting seat, and an oil outlet is formed in the first sealing ring baffle; lubricating oil flows into the contact surface of the mushroom head and the mushroom head lining through the oil inlet.
10. A triangular gate comprising a bottom pivoting means as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942184.4U CN220468808U (en) | 2023-07-24 | 2023-07-24 | Bottom pivot device and triangular gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942184.4U CN220468808U (en) | 2023-07-24 | 2023-07-24 | Bottom pivot device and triangular gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468808U true CN220468808U (en) | 2024-02-09 |
Family
ID=89776524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321942184.4U Active CN220468808U (en) | 2023-07-24 | 2023-07-24 | Bottom pivot device and triangular gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468808U (en) |
-
2023
- 2023-07-24 CN CN202321942184.4U patent/CN220468808U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |