CN211897818U - Hinge slide steel support - Google Patents

Abstract

A hinged shaft sliding plate steel support comprises a hinged shaft group (1), a support upper pendulum (2), a support lower pendulum (3) and a lower seat plate (4), wherein the support upper pendulum (2) is arranged above the support lower pendulum (3), the lower end of the support upper pendulum (2) is hinged with the upper end of the support lower pendulum (3) through the hinged shaft group (1), and the lower seat plate (4) is movably connected with the support lower pendulum (3); the contact surface between the support upper pendulum (2) and the hinge shaft group (1) and the contact surface between the support lower pendulum (3) and the hinge shaft group (1) are symmetrical by taking the axis of the hinge shaft group (1) as a symmetry center. The contact sections of the hinge shaft and the upper support pendulum and the lower support pendulum are equal sections, so that the stress is avoided being uneven, the rotation is flexible, the rotation angle is large, no additional constraint is generated on the beam body, and the service life of the support is prolonged.

Description

Hinge slide steel support

Technical Field

The utility model relates to a bridge beam supports field, concretely relates to hinge support.

Background

The hinge shaft sliding plate support is in a support form formed by improving a roller shaft support, the hinge shaft sliding plate support reserves a hinge shaft part of an original roller shaft, the roller shaft part of the original roller shaft support is cancelled and is changed into plane sliding between a polytetrafluoroethylene sliding plate and a stainless steel plate, and therefore the displacement requirement of the support is met. The hinge shaft sliding plate support is composed of a hinge shaft adaptive to rotation and a sliding part adaptive to displacement, the original force transmission mode of line contact of the steel support is changed, and the stability of the support is poor.

Patent CN201220069947.4 discloses a support for slant leg rigid frame bridge, including last anchor sleeve, upper hem, axle sleeve, hinge, lower hem, pre-buried sleeve, the upper hem passes through anchor sleeve and slant leg rigid frame rigid coupling, and the lower hem passes through pre-buried sleeve to be fixed on concrete pad, rotates between the upper and lower hem and connects the hinge, and the axle sleeve is cup jointed and is fastened by lock nut at the both ends of hinge. This patent simple structure, reasonable in design, the installation of being convenient for can realize all functions of support, and use installation scope is big, nevertheless has the effect that can not reach horizontal force, pressure biography power is clear and definite even, fatigue resistance and impact resistance are good, the unable guarantee's of life problem.

The existing hinge sliding plate steel support has the characteristics of uniform stress, flexible rotation, large rotation angle, no additional constraint on a beam body and long service life.

Disclosure of Invention

The utility model discloses an overcome among the prior art and exist can not reach horizontal force, pressure and pass the clear and definite even, the good effect of fatigue resistance and impact property of power, the unable guaranteed problem of life. The hinged shaft sliding plate steel support is simple in structure, flexible in rotation, clear in force transmission, long in service life and easy to maintain, and the problems are solved.

The utility model provides a hinge shaft slide steel support, which comprises a hinge shaft group, a support upper pendulum, a support lower pendulum and a lower seat plate, wherein the support upper pendulum is arranged above the support lower pendulum, the lower end of the support upper pendulum is hinged with the upper end of the support lower pendulum through the hinge shaft group, and the lower seat plate is movably connected with the support lower pendulum; the contact surface of the upper support pendulum and the hinge group and the contact surface of the lower support pendulum and the hinge group are symmetrical by taking the axis of the hinge group as a symmetry center.

The hinge shaft contacted with the upper and lower pendulums is of a uniform cross section, and the hinge shaft is limited by two ends of the upper and lower pendulums of the support. The rotary friction resistance is reduced, the hinge shaft rotates flexibly, the long-term rotation performance is guaranteed to be good, uneven edge stress is avoided, the long-term operation reliability of the rotary friction pair is enhanced, and the practical service life of the support is prolonged.

The upper support pendulum and the lower support pendulum are connected by a hinge shaft in cambered surface contact. The hinge shaft with the arc surface in contact not only plays a role in transferring force up and down and providing hinge connection, but also plays a role in limiting the transverse bridge-wise dislocation of the upper swing and the lower swing of the support. The horizontal bridge-direction dislocation of the support upper pendulum and the support lower pendulum is limited through the hinge shaft, and the horizontal bridge-direction displacement of the support lower pendulum is limited through the lateral shockproof baffle plate, so that the support limits the horizontal bridge-direction dislocation of the bridge and the pier, and the forward bridge-direction relative displacement of the bridge and the pier can be provided.

A hinge slide steel bearing, as an preferred mode, the lower bolster includes bottom plate, first mounting panel, second mounting panel, first riser and second riser set up perpendicularly in the bottom plate upper surface, first riser and second riser are parallel to each other, first mounting panel and second mounting panel set up in the relative both sides limit of bottom plate, first mounting panel lower surface, second mounting panel lower surface and bottom plate lower surface coplane, first mounting panel and second mounting panel are provided with vertical installation through-hole.

The utility model relates to a hinge slide steel support, as an optimal mode, the support lower hem includes base, lower hem support, lower hem axle bed, the lower hem supports the lower extreme and connects the base, the upper end connects the lower hem axle bed, the lower hem axle bed includes lower hem axle bed recess and lower hem axle bed body, the lower hem axle bed recess sets up in the lower hem axle bed body top, the lower hem axle bed body is horizontal semicircular ring body, the semicircle opening is upwards, semicircular ring body both ends are provided with the semicircle ring platform that the external diameter is less than the semicircular ring external diameter, the internal diameter equals the semicircular ring internal diameter; the lower swing shaft seat groove comprises a first lower swing arc-shaped groove, a second lower swing arc-shaped groove and a third lower swing arc-shaped groove, the first lower swing arc-shaped groove and the third lower swing arc-shaped groove are arranged at two ends of the second lower swing arc-shaped groove, the first lower swing arc-shaped groove, the second lower swing arc-shaped groove, the third lower swing arc-shaped groove and the lower swing shaft seat body share the same axis, and the diameter of the first lower swing arc-shaped groove and the diameter of the third lower swing arc-shaped groove are equal and smaller than the diameter of the second lower swing arc-shaped groove.

A hinge slide steel bearing, as an preferred mode, the base lower surface is provided with that first friction is vice, the bottom plate upper surface is provided with that the second friction is vice, the vice contact of first friction pair and second friction, first riser and second riser opposite face are provided with the deflector, two opposite flanks of base are provided with the slide, the deflector cooperates the installation with the slide.

The utility model discloses a hinge slide steel support, as an optimal mode, the support upper hem includes mounting panel, upper hem support, upper hem axle bed, the lower extreme of upper hem support connects the mounting panel, the upper end connects the upper hem axle bed, the upper hem axle bed includes upper hem axle bed recess and upper hem axle bed body, the upper hem axle bed recess sets up in the upper hem axle bed body bottom, the upper hem axle bed body is horizontal semicircular ring body, the semicircle opening is downward, semicircular ring body both ends are provided with the semicircle ring platform that the external diameter is less than the semicircular ring external diameter, the internal diameter equals the semicircular ring internal diameter; the upper swing shaft seat groove comprises a first upper swing arc-shaped groove, a second upper swing arc-shaped groove and a third upper swing arc-shaped groove, the first upper swing arc-shaped groove and the third upper swing arc-shaped groove are arranged at two ends of the second upper swing arc-shaped groove, the first upper swing arc-shaped groove, the second upper swing arc-shaped groove, the third upper swing arc-shaped groove and the upper swing shaft seat body share the same axis, and the diameter of the first upper swing arc-shaped groove and the diameter of the third upper swing arc-shaped groove are equal and smaller than the diameter of the second upper swing arc-shaped groove.

The support upper hem and the support lower hem are connected through the hinge shaft in cambered surface contact, the hinge shaft and the support upper hem and lower hem contact parts are equal in cross section, the rotating friction resistance is reduced, meanwhile, the hinge shaft rotates flexibly, the long-term rotation performance is guaranteed, the uneven stress on the edge is avoided, the long-term operation reliability of the rotating friction pair is enhanced, and the service life of the support is prolonged.

A hinge slide steel bearing, as an preferred mode, hinge group is including the hinge body, a pair of hinge lid and a pair of hinge lid bolt, the hinge body sets up in last balance seat recess and lower balance seat recess, one section spindle nose of hinge body sets up in first last pendulum arc-shaped groove and first pendulum arc-shaped inslot, the other end sets up in third last pendulum arc-shaped groove and third pendulum arc-shaped inslot, the axle body of hinge body sets up in second last pendulum arc-shaped groove and second pendulum arc-shaped inslot, the hinge lid is pie tourus, a tourus is the plane, another tourus external diameter department is provided with cyclic annular protrusion, the semicircle ring platform of cyclic annular protrusion and support upper hem trades the semicircle platform and supports lower hem cooperation active link, the hinge lid bolt passes through the ring through-hole to be fixed at hinge body both ends.

The shaft end of the hinge shaft is sealed by a hinge shaft cap, a hole is formed in the shaft end of the hinge shaft, and the hinge shaft cap is fixed on the hinge shaft by a hinge shaft bolt, so that the shaft end of the hinge shaft is tightly attached to the upper hem of the support and the lower hem of the support, and the sealing effect is good.

A hinge slide steel bearing, as an optimal mode, first friction is vice to be modified polytetrafluoroethylene board, the vice corrosion resistant plate that is of second friction, the deflector is direction corrosion resistant plate, the slide is SF-1 direction polytetrafluoroethylene composite sheet.

A sliding friction pair consisting of a modified polytetrafluoroethylene sliding plate and a stainless steel sliding plate is arranged between the lower support pendulum and the lower seat plate, the lower seat plate is provided with a shockproof baffle plate, and the lower support pendulum is placed in the lower seat plate.

Due to the adoption of the structure, the rotary friction pair is matched with the sliding friction pair, so that the bridge can rotate and horizontally slide to design displacement.

A hinge slide steel bearing, as an optimal mode, lower pendulum axle bed recess radius, go up pendulum axle bed recess radius and hinge body radius the same, lower pendulum axle bed recess height is less than hinge body diameter with last pendulum axle bed recess height sum.

The utility model discloses beneficial effect as follows:

(1) the contact sections of the hinge shaft and the upper support pendulum and the lower support pendulum are equal sections, so that the stress is avoided being uneven, the rotation is flexible, the rotation angle is large, no additional constraint is generated on the beam body, and the service life of the support is prolonged;

(2) the plane friction pair of the stainless steel sliding plate and the modified polytetrafluoroethylene plate is adopted, so that the sliding friction coefficient is small, the sliding displacement is large, the contact stress of the plane displacement friction pair is reduced, and the performance of the friction pair is ensured;

(3) horizontal force and pressure force transfer are definite and uniform, fatigue resistance and impact resistance are good, and the overall stability of the support is good.

Drawings

FIG. 1 is a schematic view of a hinge slide steel support;

FIG. 2 is a perspective view of a hinge assembly of a hinge slider steel bracket;

FIG. 3 is a schematic view of a pivot ram steel support upper swing;

FIG. 4 is an isometric bottom view of a swing axle seat on a hinge slide steel support;

FIG. 5 is a schematic view of a groove of a pendulum bearing on a hinge slide steel bearing;

FIG. 6 is a schematic view of a swing-down of a steel support of a hinge shaft slide plate;

FIG. 7 is a schematic view of a swing shaft seat under a steel support of a hinge shaft sliding plate;

FIG. 8 is a schematic view of a groove of a lower swing shaft seat of a hinge shaft sliding plate steel support;

FIG. 9 is a schematic front and right view of a lower seat plate of a hinged-shaft slide-plate steel support;

fig. 10 is a right side view of a hinge slide steel bracket.

Reference numerals:

1. a hinge shaft group; 11. a hinge shaft body; 12. a hinge shaft cover; 13. a hinge cover bolt; 2. the support is swung upwards; 21. mounting a plate; 22. an upper pendulum support; 23. an upper swing shaft seat; 231. an upper swing shaft seat groove; 2311. a first upper swing arc groove; 2312. a second upper swing arc groove; 2313. a third upper swing arc groove; 232. an upper swing shaft seat body; 3. the support is arranged at the lower part; 31. a base; 32. a lower pendulum support; 33. a lower swing shaft seat; 331. a lower swing shaft seat groove; 3311. a first downward swinging arc-shaped groove; 3312. a second lower swing arc-shaped groove; 3313. a third lower hem arc-shaped groove; 332. a lower swing shaft seat body; 4. a lower seat plate; 41. a base plate; 42. a first mounting plate; 43. a second mounting plate; 44. a first vertical plate; 45 second riser.

Detailed Description

The technical solutions in the embodiments of the present invention will be made clear below by referring to the attached drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

As shown in fig. 1 and 10, a hinge shaft sliding plate steel support comprises a hinge shaft group 1, a support upper pendulum 2, a support lower pendulum 3 and a lower seat plate 4, wherein the support upper pendulum 2 is arranged above the support lower pendulum 3, the lower end of the support upper pendulum 2 is hinged with the upper end of the support lower pendulum 3 through the hinge shaft group 1, and the lower seat plate 4 is movably connected with the support lower pendulum; the contact surface of the upper support pendulum 2 and the hinge shaft group 1 and the contact surface of the lower support pendulum 3 and the hinge shaft group 1 are symmetrical by taking the axis of the hinge shaft group 1 as a symmetry center. Adopt cambered surface contact's hinge 1 to connect between pendulum 2 and the support lower hem 3 on the support, the hinge 1 with the support on the pendulum 2, the part of lower hem contact 3 be the uniform cross section, reduced the rotational friction resistance, hinge 1 rotates in a flexible way simultaneously, guarantees that long-term rotation performance is good, avoids marginal atress uneven, has strengthened the vice long-term operational reliability of rotational friction, has prolonged the practical life of support.

Embedding a bolt sleeve or a connecting bolt in the bridge, connecting the connecting bolt of the support upper hem 2 with the bolt sleeve or connecting the support upper hem 2 with the embedded connecting bolt, and fastening the support upper hem 2 at the bottom of the bridge; the bridge pier base plate is characterized in that a bolt sleeve or a connecting bolt is embedded in the bridge pier base plate, the connecting bolt of the lower base plate 4 is connected with the bolt sleeve or the lower base plate 4 is connected with the embedded connecting bolt, and the lower base plate 4 is fastened on the bridge base plate.

The upper support pendulum 2 and the lower support pendulum 3 are connected by a hinge shaft 1 in cambered surface contact. The hinge shaft 1 in arc surface contact not only plays a role in transferring force up and down and providing hinge, but also plays a role in limiting the transverse bridge-direction dislocation of the upper support pendulum 2 and the lower support pendulum 3. The support upper hem 2 and the support lower hem 3 are limited to horizontally shift by the hinge shaft 1, and the support lower hem 3 is limited to horizontally shift by the lateral shockproof baffle plate, so that the support is limited to horizontally shift between the bridge and the pier, and the forward relative shift between the bridge and the pier can be provided. The contact sections of the hinge shaft 1, the upper support pendulum 2 and the lower support pendulum 3 are equal sections, so that uneven stress is avoided, the rotation is flexible, and the service life of the support is prolonged. The shaft end of the hinge shaft 11 is sealed by a hinge shaft cap 12, a hole is formed in the shaft end of the hinge shaft 11, the hinge shaft cap 12 is fixed on the hinge shaft 3 by a hinge shaft bolt 13, so that the shaft end of the hinge shaft 11 is tightly attached to the upper support pendulum 2 and the lower support pendulum 4, and the sealing effect is good.

As shown in fig. 2, the hinge assembly 1 includes a hinge body 11, a pair of hinge covers 12 and a pair of hinge cover bolts 13, the hinge body 11 is disposed in the upper swing seat recess 231 and the lower swing seat recess 331, a section of spindle head of the hinge body 11 is disposed in the first upper swing arc 2311 and the first lower swing arc 3311, the other end is disposed in the third upper swing arc 2313 and the third lower swing arc 3313, a spindle body of the hinge body 11 is disposed in the second upper swing arc 2312 and the second lower swing arc 3312, the hinge cover 12 is a pie-shaped ring, one ring is a plane, an outer diameter of the other ring is provided with an annular protrusion, the annular protrusion is movably linked with a semicircular ring platform of the upper swing 2 and a semicircular platform of the lower swing 3, and the hinge cover bolts 13 are fixed at both ends of the hinge body through circular ring through holes.

As shown in fig. 3, the support upper swing 2 includes a mounting plate 21, an upper swing support 22 and an upper swing shaft seat 23, the lower end of the upper swing support 22 is connected to the mounting plate 21, and the upper end is connected to the upper swing shaft seat 23. As shown in fig. 4, the upper swing axle seat 23 includes an upper swing axle seat groove 231 and an upper swing axle seat body 232, the upper swing axle seat groove 231 is disposed at the bottom of the upper swing axle seat body 232, the upper swing axle seat body 232 is a horizontal semicircular ring body, a semicircular opening is downward, and semicircular ring platforms with outer diameters smaller than the outer diameter of the semicircular ring and inner diameters equal to the inner diameter of the semicircular ring are disposed at two ends of the semicircular ring body.

As shown in fig. 5, the upper swing shaft seat groove 231 includes a first upper swing arc groove 2311, a second upper swing arc groove 2312 and a third upper swing arc groove 2313, the first upper swing arc groove 2311 and the third upper swing arc groove 2313 are disposed at two ends of the second upper swing arc groove 2312, the first upper swing arc groove 2311, the second upper swing arc groove 2312, the third upper swing arc groove 2313 and the upper swing shaft seat body 232 are coaxial, and the first upper swing arc groove 2311 and the third upper swing arc groove 2313 have the same diameter and are smaller than the diameter of the second upper swing arc groove 2312.

As shown in fig. 6, the support base 3 includes a base 31, a base support 32 and a base seat 33, wherein the lower end of the base support 32 is connected to the base 31, and the upper end is connected to the base seat 33.

As shown in fig. 7, the lower swing shaft seat 33 includes a lower swing shaft seat groove 331 and a lower swing shaft seat body 332, the lower swing shaft seat groove 331 is disposed at the top of the lower swing shaft seat body 332, the lower swing shaft seat body 332 is a horizontal semicircular ring body, a semicircular opening is upward, and semicircular ring platforms with outer diameters smaller than the outer diameter of the semicircular ring and inner diameters equal to the inner diameter of the semicircular ring are disposed at two ends of the semicircular ring body.

As shown in fig. 8, the lower swing shaft seat recess 331 includes a first lower swing arc-shaped groove 3311, a second lower swing arc-shaped groove 3312, and a third lower swing arc-shaped groove 3313, the first lower swing arc-shaped groove 3311 and the third lower swing arc-shaped groove 3313 are disposed at two ends of the second lower swing arc-shaped groove 3312, the first lower swing arc-shaped groove 3311, the second lower swing arc-shaped groove 3312, the third lower swing arc-shaped groove 3313, and the lower swing shaft seat body 332 are coaxial, and the diameter of the first lower swing arc-shaped groove 3311 is equal to the diameter of the third lower swing arc-shaped groove 3313 and is smaller than the diameter of the second lower swing arc-shaped groove 3312.

As shown in fig. 9, the lower seat plate 4 includes a bottom plate 41, a first mounting plate 42, a second mounting plate 43, a first vertical plate 44 and a second vertical plate 45, the first vertical plate 44 and the second vertical plate 45 are vertically disposed on the upper surface of the bottom plate 41, the first vertical plate 44 and the second vertical plate 45 are parallel to each other, the first mounting plate 42 and the second mounting plate 43 are disposed on two opposite side edges of the bottom plate 41, the lower surface of the first mounting plate 42, the lower surface of the second mounting plate 43 and the lower surface of the bottom plate 41 are coplanar, and the first mounting plate 42 and the second mounting plate 43 are provided with vertical mounting through holes.

The lower surface of the base 31 is provided with a first friction pair, the upper surface of the bottom plate 41 is provided with a second friction pair, the first friction pair contacts with the second friction pair, the opposite surfaces of the first vertical plate 44 and the second vertical plate 45 are provided with guide plates, the opposite sides of the base 31 are provided with sliding plates, and the guide plates are installed in a matched mode with the sliding plates. The first friction pair is a modified polytetrafluoroethylene plate, the second friction pair is a stainless steel plate, the guide plate is a guide stainless steel plate, and the sliding plate is an SF-1 guide polytetrafluoroethylene composite plate. A sliding friction pair consisting of a modified polytetrafluoroethylene sliding plate and a stainless steel sliding plate is arranged between the lower support pendulum 3 and the lower seat plate 4, the lower seat plate 4 is provided with a shockproof baffle plate, and the lower support pendulum 3 is placed in the lower seat plate. Due to the adoption of the structure, the rotary friction pair is matched with the sliding friction pair, so that the bridge can rotate and horizontally slide to design displacement. A friction pair consisting of a modified polytetrafluoroethylene plate and a stainless steel plate is arranged between the lower support pendulum 3 and the lower base plate 4, the modified polytetrafluoroethylene plate is embedded and fixed on the bottom surface of the lower support pendulum 3 by adopting a dovetail groove, and the stainless steel plate is welded on the surface of the lower base plate by adopting an argon arc periphery, so that the contact stress of the plane displacement friction pair is reduced.

Two side surfaces of the lower support pendulum 3 are provided with SF-1 guide polytetrafluoroethylene composite plates as guide sliding plates, the side surfaces of the lower seat plate are provided with guide stainless steel, the SF-1 guide polytetrafluoroethylene composite plates are connected in a countersunk head bolt mode, and the guide stainless steel plates are welded on the side surface limiting inner sides of the lower seat plate in an argon arc periphery mode. The lateral shockproof baffle plate of the lower seat plate 4 limits the transverse bridge displacement of the support lower hem 3.

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

Claims (8)

1. The utility model provides a hinge slide steel support which characterized in that: the support upper pendulum (2) is arranged above the support lower pendulum (3), the lower end of the support upper pendulum (2) is hinged with the upper end of the support lower pendulum (3) through the hinge shaft group (1), and the lower seat plate (4) is movably connected with the support lower pendulum (3); the contact surface between the support upper pendulum (2) and the hinge shaft group (1) and the contact surface between the support lower pendulum (3) and the hinge shaft group (1) are symmetrical by taking the axis of the hinge shaft group (1) as a symmetry center.

2. A hinge sliding plate steel bracket according to claim 1, characterized in that: the lower seat plate (4) comprises a bottom plate (41), a first mounting plate (42), a second mounting plate (43), a first vertical plate (44) and a second vertical plate (45), the first vertical plate (44) and the second vertical plate (45) are vertically arranged on the upper surface of the bottom plate (41), the first vertical plate (44) and the second vertical plate (45) are parallel to each other, the first mounting plate (42) and the second mounting plate (43) are arranged on two opposite side edges of the bottom plate (41), the lower surface of the first mounting plate (42), the lower surface of the second mounting plate (43) and the lower surface of the bottom plate (41) are coplanar, and the first mounting plate (42) and the second mounting plate (43) are provided with vertical mounting through holes.

3. A hinge sliding plate steel bracket according to claim 2, characterized in that: the lower support pendulum (3) comprises a base (31), a lower pendulum support (32) and a lower pendulum shaft seat (33), the lower end of the lower pendulum support (32) is connected with the base (31), the upper end of the lower pendulum shaft seat (33) is connected with the lower pendulum shaft seat (33), the lower pendulum shaft seat (33) comprises a lower pendulum shaft seat groove (331) and a lower pendulum shaft seat body (332), the lower pendulum shaft seat groove (331) is formed in the top of the lower pendulum shaft seat body (332), the lower pendulum shaft seat body (332) is a horizontal semi-circular ring body, a semi-circular opening is upward, and semi-circular ring platforms with outer diameters smaller than the outer diameter of the semi-circular ring and inner diameters equal to the inner diameter of the semi-circular; the lower swing shaft seat groove (331) comprises a first lower swing arc-shaped groove (3311), a second lower swing arc-shaped groove (3312) and a third lower swing arc-shaped groove (3313), the first lower swing arc-shaped groove (3311) and the third lower swing arc-shaped groove (3313) are arranged at two ends of the second lower swing arc-shaped groove (3312), the first lower swing arc-shaped groove (3311), the second lower swing arc-shaped groove (3312), the third lower swing arc-shaped groove (3313) and the lower swing shaft seat body (332) share the same axis, and the diameter of the first lower swing arc-shaped groove (3311) and the diameter of the third lower swing arc-shaped groove (3313) are equal and smaller than the diameter of the second lower swing arc-shaped groove (3312).

4. A hinge sliding plate steel bracket according to claim 3, characterized in that: the lower surface of the base (31) is provided with a first friction pair, the upper surface of the bottom plate (41) is provided with a second friction pair, the first friction pair is in contact with the second friction pair, opposite surfaces of the first vertical plate (44) and the second vertical plate (45) are provided with guide plates, opposite surfaces of the base (31) are provided with sliding plates, and the guide plates are installed in a matched mode with the sliding plates.

5. A hinge sliding plate steel bracket according to claim 3, characterized in that: the support upper pendulum (2) comprises a mounting plate (21), an upper pendulum support (22) and an upper pendulum shaft seat (23), the lower end of the upper pendulum support (22) is connected with the mounting plate (21), the upper end of the upper pendulum shaft seat (23) is connected with the upper pendulum shaft seat (23), the upper pendulum shaft seat (23) comprises an upper pendulum shaft seat groove (231) and an upper pendulum shaft seat body (232), the upper pendulum shaft seat groove (231) is formed in the bottom of the upper pendulum shaft seat body (232), the upper pendulum shaft seat body (232) is a transverse semicircular body, a semicircular opening is downward, and semicircular ring platforms with outer diameters smaller than the outer diameter of the semicircular ring and inner diameters equal to the inner diameter of the semicircular ring are arranged at two ends of the semicircular body; the upper swing shaft seat groove (231) comprises a first upper swing arc-shaped groove (2311), a second upper swing arc-shaped groove (2312) and a third upper swing arc-shaped groove (2313), the first upper swing arc-shaped groove (2311) and the third upper swing arc-shaped groove (2313) are arranged at two ends of the second upper swing arc-shaped groove (2312), the first upper swing arc-shaped groove (2311), the second upper swing arc-shaped groove (2312), the third upper swing arc-shaped groove (2313) and the upper swing shaft seat body (232) are coaxial, and the diameter of the first upper swing arc-shaped groove (2311) is equal to that of the third upper swing arc-shaped groove (2313) and is smaller than that of the second upper swing arc-shaped groove (2312).

6. A hinge sliding plate steel bracket according to claim 5, characterized in that: the hinge shaft group (1) comprises a hinge shaft body (11), a pair of hinge shaft covers (12) and a pair of hinge shaft cover bolts (13), the hinge shaft body (11) is arranged in the upper swing shaft seat groove (231) and the lower swing shaft seat groove (331), one section of shaft head of the hinge shaft body (11) is arranged in the first upper swing arc-shaped groove (2311) and the first lower swing arc-shaped groove (3311), the other end of the hinge shaft body is arranged in the third upper swing arc-shaped groove (2313) and the third lower swing arc-shaped groove (3313), a shaft body of the hinge shaft body (11) is arranged in the second upper swing arc-shaped groove (2312) and the second lower swing arc-shaped groove (3312), the hinge shaft cover (12) is a pie-shaped ring body, one ring surface is a plane, the other ring surface is provided with an annular protrusion at the outer diameter, and the annular protrusion is movably connected with a semicircular ring table of the upper swing (2) and a semicircular table change of the lower swing (3) of the support, and the hinge shaft cover bolts (13) are fixed at the two ends of the hinge shaft body (11) through circular ring through holes.

7. A hinge sliding plate steel bracket according to claim 4, characterized in that: the first friction pair is a modified polytetrafluoroethylene plate, the second friction pair is a stainless steel plate, the guide plate is a guide stainless steel plate, and the sliding plate is an SF-1 guide polytetrafluoroethylene composite plate.

8. A hinge sliding plate steel bracket according to claim 5, characterized in that: the radius of the lower swing shaft seat groove (331), the radius of the upper swing shaft seat groove (231) and the radius of the hinge shaft body (11) are the same, and the sum of the height of the lower swing shaft seat groove (331) and the height of the upper swing shaft seat groove (231) is smaller than the diameter of the hinge shaft body (11).

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