CN108442257B - Cable-stayed bridge steel strand discharging support piece - Google Patents
Cable-stayed bridge steel strand discharging support piece Download PDFInfo
- Publication number
- CN108442257B CN108442257B CN201810523067.1A CN201810523067A CN108442257B CN 108442257 B CN108442257 B CN 108442257B CN 201810523067 A CN201810523067 A CN 201810523067A CN 108442257 B CN108442257 B CN 108442257B
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- Prior art keywords
- roller
- limiting
- guide
- sleeve
- rollers
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/35—Ropes, lines
Abstract
The invention discloses a cable-stayed bridge steel strand blanking support piece, which comprises a support base, wherein a lifting support is arranged on the support base, a blanking roller assembly is arranged at the upper end of the lifting support, the blanking roller assembly comprises a guide carrier roller and a limit roller, the guide carrier roller and the limit roller enclose a steel strand perforation, and the limit roller and the guide carrier roller synchronously rotate. The steel strand blanking support of the cable-stayed bridge has the remarkable effects that the position of the steel strand blanking support can be adjusted by moving the idler wheels, the vertical position of the lifting support is adjusted, the blanking roller assembly can conduct guiding, limiting and protecting from the periphery of the blanking roller assembly in the steel strand blanking process, steel strand abrasion is avoided, the size of a steel strand perforation specification is convenient to adjust, and the application range is wider.
Description
Technical Field
The invention relates to a discharging device for a cable-stayed bridge steel strand, in particular to a discharging support piece for the cable-stayed bridge steel strand.
Background
The saddle type stay cable adopts an epoxy coating steel strand, a small PE protective layer is not extruded outside the steel strand, the epoxy coating of the epoxy steel strand is required to be practically protected in each link of construction in order to ensure the service life of an external pre-stressing beam, and protection measures in the transportation, stacking and field installation processes are required to be comprehensive and practical. In the prior art, the epoxy steel strands are coiled and packaged, the whole process of steel strand discharging is carried out on a special pay-off rack, a special bracket is arranged at intervals of about 2-3 meters, and the epoxy steel strands cannot be contacted with the ground to avoid damage of an epoxy coating; however, because the existing special brackets are fixed point-to-point installation, the installation position is not adjustable and reinstallation is needed; and the steel strand wires are cliied to current special bracket adoption two running rollers, and in the actual construction, the steel strand wires skew rocks between two running rollers, easily contact steel support itself, causes epoxy steel strand wires wearing and tearing, and the interval of two running rollers of current special bracket is unadjustable, if need to guarantee that it has great accommodation, then need keep the interval of two running rollers great, but the steel strand wires that the diameter is less more easy to appear rocking, and causes the mopping phenomenon easily.
Disclosure of Invention
In view of the above, the present invention provides a cable-stayed bridge steel strand blanking support member for solving one or more of the above technical problems.
The technical proposal is as follows:
the utility model provides a cable-stay bridge steel strand wires unloading support piece which characterized in that: the automatic feeding device comprises a bracket base, wherein a lifting support is arranged on the bracket base, and a blanking roller assembly is arranged at the upper end of the lifting support;
the support base comprises a bottom plate, at least one support post inserting seat is arranged on the upper surface of the bottom plate, support post inserting holes are formed in the support post inserting seat, a movable roller is arranged on the lower surface of the bottom plate, and the lower end of the lifting support post is inserted into the support post inserting holes;
the blanking roller assembly comprises two guide rollers which are arranged oppositely and two limit rollers which are arranged oppositely, the two limit rollers are positioned between the two guide rollers, the rotating shafts of the guide rollers are perpendicular to the rotating shafts of the limit rollers, the two limit rollers are respectively positioned at two ends of the same guide roller, and the two guide rollers and the two limit rollers enclose a steel strand perforation;
the guide carrier roller comprises a guide roller shaft, a guide roller is sleeved on the guide roller shaft, guide conical surface chamfers are respectively arranged between the two end parts of the guide roller and the corresponding end surfaces, and the conical surfaces of the guide conical surface chamfers form a guide friction transmission surface;
the limiting roller comprises a limiting roller shaft, a limiting roller is sleeved on the limiting roller shaft, limiting conical surface chamfers are respectively arranged between the end parts of the two ends of the limiting roller and the corresponding end surfaces, and the conical surfaces of the limiting conical surface chamfers form a limiting friction transmission surface;
and the two limiting rollers and the two guide carrier rollers synchronously rotate.
Preferably, the blanking roller assembly further comprises two vertical supporting plates which are arranged in a right opposite mode, the upper ends of the two vertical supporting plates are fixedly connected with horizontal supporting top plates, the lower ends of the two vertical supporting plates are fixedly connected with horizontal supporting bottom plates, the horizontal supporting top plates, the horizontal supporting bottom plates and the two vertical supporting plates enclose a rectangular installation frame body, the two guide carrier rollers and the two limit rollers are located in the rectangular installation frame body, and the upper ends of the lifting support posts are connected with the horizontal supporting bottom plates;
the limiting rollers are vertically arranged, the limiting rollers are respectively close to the two vertical supporting plates, the two limiting rollers are connected with limiting roller clamping pieces, the guide carrier rollers are horizontally arranged, the two guide carrier rollers are respectively close to the horizontal supporting top plate and the horizontal supporting bottom plate, and the two guide carrier rollers are respectively connected with carrier roller self-compacting pieces.
Preferably, the limiting roller clamping piece comprises a linear slide rail fixedly arranged on the lower surface of the horizontal supporting top plate, the linear slide rail is parallel to the guiding roller shaft, two sliding blocks are arranged on the linear slide rail, the two sliding blocks are threaded with one driving screw rod, the driving screw rod is parallel to the linear slide rail, the driving screw rod is respectively connected with the two sliding blocks in positive and negative threaded connection, a rotating handle is connected to any end of the driving screw rod after penetrating out of the vertical supporting plate, the two limiting rollers are respectively connected with the two sliding blocks, and the upper end of the limiting roller shaft is fixedly connected with the corresponding sliding blocks.
Preferably, the two ends of the guiding roll shaft are respectively provided with the carrier roller self-compaction part, the carrier roller self-compaction part comprises a self-compaction base, the self-compaction base is fixed on the vertical supporting plate, a spring groove is vertically arranged on the self-compaction base, the notch of the spring groove faces the corresponding guiding carrier roller, the upper end and the lower end of the spring groove are sealed, a floating block and a vertical pressure spring are arranged in the spring groove, one end of the vertical pressure spring is fixed with the floating block, the other end of the vertical pressure spring is fixed with the self-compaction base, and the two ends of the guiding roll shaft are respectively connected with the corresponding floating block;
the lower end of the vertical pressure spring close to the horizontal supporting top plate is fixed with the floating block, and the upper end of the vertical pressure spring is fixed with the self-compaction base;
the upper end of the vertical pressure spring close to the horizontal supporting bottom plate is fixed with the floating block, and the lower end of the vertical pressure spring is fixed with the self-compacting base.
Preferably, the guide roller comprises a cylindrical main guide roller body, the main guide roller body is sleeved on the guide roller shafts, the guide roller shafts at two ends of the main guide roller body are respectively sleeved with a round table-shaped guide transmission roller, the large end face of the guide transmission roller body is attached to the end face of the main guide roller body, the large end face of the guide transmission roller body is matched with the end face of the main guide roller body, the small end face of the guide transmission roller body faces outwards, and the main guide roller body and the guide transmission roller body are respectively arranged on the guide roller shafts through sliding bearings;
the main guide cylinder is characterized in that a first damage-preventing sleeve is coated on the cylinder wall of the main guide cylinder, a first friction sleeve is coated on the cylinder wall of the guide transmission cylinder, the first damage-preventing sleeve is in butt joint with the edge of the first friction sleeve, the first friction sleeve comprises a first bottom sleeve coated on the cylinder wall of the guide transmission cylinder, a plurality of first friction strips are circumferentially distributed on the first bottom sleeve, the first friction strips are parallel to the bus direction of the guide transmission cylinder, the first bottom sleeve and the first friction strips are integrally formed, and the first damage-preventing sleeve and the first friction sleeve are made of polyethylene terephthalate.
Preferably, the limiting roller comprises a cylindrical main limiting roller body, the main limiting roller body is sleeved on the limiting roller shaft, the limiting roller shafts at two ends of the main limiting roller body are respectively sleeved with a round table-shaped limiting transmission roller, the large end face of the limiting transmission roller body is attached to the end face of the main limiting roller body, the large end face of the limiting transmission roller body is matched with the end face of the main limiting roller body, the small end face of the limiting transmission roller body faces outwards, and the main limiting roller body and the limiting transmission roller body are respectively arranged on the limiting roller shaft through sliding bearings;
the second friction sleeve is wrapped on the wall of the main limiting cylinder body, the second friction sleeve is wrapped on the wall of the limiting transmission cylinder body, the second friction sleeve is in butt joint with the edge of the second friction sleeve, the second friction sleeve comprises a second bottom sleeve wrapped on the wall of the limiting transmission cylinder body, a plurality of second friction strips are circumferentially distributed on the second bottom sleeve, the second friction strips are parallel to the bus direction of the limiting transmission cylinder, the second bottom sleeve and the second friction strips are integrally formed, and the second friction sleeve are made of polyethylene terephthalate.
Preferably, a horizontal abdication hole is formed in the upper portion of the limiting roller shaft, and the guiding roller shaft above the horizontal abdication hole movably penetrates through the horizontal abdication hole.
Preferably, the bottom plate is a rectangular plate, four corners close to the rectangular plate are respectively provided with a base linkage hanging column, the lower part of the base linkage hanging column is vertically inserted on the bottom plate, and the upper part of the base linkage hanging column is horizontally bent.
Preferably, the upper surface of the bottom plate is provided with a counter bore, the lower part of the base linkage hanging column is inserted into the counter bore, an elastic friction sleeve is arranged between the base linkage hanging column and the counter bore in a cushioning mode, the outer wall of the elastic friction sleeve is fixedly connected with the inner wall of the counter bore, the inner wall of the elastic friction sleeve is attached to the base linkage hanging column, the elastic friction sleeve is a rubber sleeve, and the outer wall of the rubber sleeve is attached to the inner wall of the counter bore.
Preferably, a plurality of the post plugging seats are distributed on the bottom plate along the same straight line defense line, and at least one group of lock pin holes penetrate through the hole wall of the post plugging hole.
The beneficial effects are that: by adopting the cable-stayed bridge steel strand blanking support piece, the position can be adjusted by moving the idler wheels, the vertical position adjustment is realized by the lifting support column, the blanking roller assembly can guide, limit and protect the steel strand from the periphery in the steel strand blanking process, the steel strand abrasion is avoided, the steel strand perforation specification is convenient to adjust, and the application range is wider.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the feed roll assembly;
fig. 3 is a schematic structural view of a carrier roller self-compacting member b 5;
fig. 4 is a schematic structural view of the bracket base d;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic plugging diagram of the base linkage hanging column d4 and the bottom plate d 1.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1 to 6, a cable-stayed bridge steel strand blanking support comprises a bracket base d, wherein a lifting support column c is arranged on the bracket base d, and a blanking roller assembly is arranged at the upper end of the lifting support column c;
the support base d comprises a bottom plate d1, at least one support post inserting seat d2 is arranged on the upper surface of the bottom plate d1, a support post inserting hole d3 is formed in the support post inserting seat d2, a movable roller d7 is arranged on the lower surface of the bottom plate d1, and the lower end of the lifting support post c is inserted into the support post inserting hole d3;
the bottom plate d1 is a rectangular plate, base linkage hanging columns d4 are respectively arranged at four corners close to the rectangular plate, the lower parts of the base linkage hanging columns d4 are vertically inserted on the bottom plate d1, and the upper parts of the base linkage hanging columns d4 are horizontally bent.
The upper surface of bottom plate d1 has seted up the counter bore, the lower part of base linkage articulates post d4 inserts and establishes in this counter bore, it is equipped with elasticity friction sleeve d5 to fill up between base linkage articulates post d4 and the counter bore, the outer wall of this elasticity friction sleeve d5 with the inner wall fixed connection of counter bore, this elasticity friction sleeve d5 inner wall with the laminating of base linkage articulates post d4, elasticity friction sleeve d5 is the rubber sleeve, the outer wall of this rubber sleeve with the inner wall of counter bore is pasted fixedly.
The bottom plate d1 is provided with a plurality of support post inserting seats d2 along the same straight line defense line, and the hole wall of the support post inserting hole d3 is penetrated with at least one group of locking pin holes d6.
The blanking roller assembly comprises two guide carrier rollers a which are arranged oppositely and two limit rollers z which are arranged oppositely, the two limit rollers z are positioned between the two guide carrier rollers a, the rotating shafts of the guide carrier rollers a are perpendicular to the rotating shafts of the limit rollers z, the two limit rollers z are respectively positioned at two ends of the same guide carrier roller a, and the two guide carrier rollers a and the two limit rollers z enclose a steel strand perforation;
the guide roller a comprises a guide roller shaft a3, a guide roller a1 is sleeved on the guide roller shaft a3, guide conical surface chamfers are respectively arranged between the two end parts of the guide roller a1 and the corresponding end surfaces, and the conical surfaces of the guide conical surface chamfers form a guide friction transmission surface;
the limiting roller z comprises a limiting roller shaft z3, a limiting roller z1 is sleeved on the limiting roller shaft z3, limiting conical surface chamfers are respectively arranged between the two end parts of the limiting roller z1 and the corresponding end surfaces, and the conical surfaces of the limiting conical surface chamfers form limiting friction transmission surfaces;
the limiting friction transmission surfaces at two ends of the limiting roller z are attached to the guiding friction transmission surfaces at two ends of the guiding carrier roller a, and the two limiting rollers z and the two guiding carrier rollers a synchronously rotate.
The blanking roller assembly further comprises two vertical support plates b1 which are arranged opposite to each other, the upper ends of the two vertical support plates b1 are fixedly connected with a horizontal support top plate b2, the lower ends of the two vertical support plates b1 are fixedly connected with a horizontal support bottom plate b3, the horizontal support top plate b2, the horizontal support bottom plate b3 and the two vertical support plates b1 enclose a rectangular installation frame body, the two guide carrier rollers a and the two limit rollers z are both positioned in the rectangular installation frame body, and the upper ends of the lifting support posts c are connected with the horizontal support bottom plate b 3;
the limiting rollers z are vertically arranged, the two limiting rollers z are respectively close to the two vertical supporting plates b1, the two limiting rollers z are connected with limiting roller clamping pieces b4, the guide carrier rollers a are horizontally arranged, the two guide carrier rollers a are respectively close to the horizontal supporting top plate b2 and the horizontal supporting bottom plate b3, and the two guide carrier rollers a are respectively connected with carrier roller self-compacting pieces b5.
The limiting roller clamping piece b4 comprises a linear slide rail b6 fixedly arranged on the lower surface of the horizontal supporting top plate b2, the linear slide rail b6 is parallel to the guide roller shaft a3, two sliding blocks b7 are arranged on the linear slide rail b6, one driving screw rod b8 is threaded on the two sliding blocks b7, the driving screw rod b8 is parallel to the linear slide rail b6, the driving screw rod b8 is respectively connected with the two sliding blocks b7 in forward and reverse threaded connection, a rotating handle b9 is connected after any end of the driving screw rod b8 penetrates out of the vertical supporting plate b1, the two limiting rollers z are respectively connected with the two sliding blocks b7, and the upper end of the limiting roller shaft z3 is fixedly connected with the corresponding sliding blocks b 7.
The two ends of the guide roller shaft a3 are respectively provided with a carrier roller self-compaction part b5, the carrier roller self-compaction part b5 comprises a self-compaction base b10, the self-compaction base b10 is fixed on the vertical supporting plate b1, a spring groove b11 is vertically arranged on the self-compaction base b10, the notch of the spring groove b11 faces the corresponding guide roller a, the upper end and the lower end of the spring groove b11 are closed, a floating block b12 and a vertical pressure spring b13 are arranged in the spring groove b11, one end of the vertical pressure spring b13 is fixed with the floating block b12, the other end of the vertical pressure spring b13 is fixed with the self-compaction base b10, and two ends of the guide roller shaft a3 are respectively connected with the corresponding floating block b 12;
the lower end of the vertical pressure spring b13 close to the horizontal supporting top plate b2 is fixed with the floating block b12, and the upper end is fixed with the self-compaction base b 10;
the upper end of the vertical compression spring b13 close to the horizontal supporting bottom plate b3 is fixed with the floating block b12, and the lower end is fixed with the self-compacting base b 10.
The guide roller a1 comprises a cylindrical main guide roller a2, the main guide roller a2 is sleeved on the guide roller a3, guide roller a3 at two ends of the main guide roller a2 are respectively sleeved with a round table-shaped guide transmission roller a4, the large end face of the guide transmission roller a4 is attached to the end face of the main guide roller a2, the large end face of the guide transmission roller a4 is matched with the end face of the main guide roller a2, the small end face of the guide transmission roller a4 faces outwards, and the main guide roller a2 and the guide transmission roller a4 are respectively arranged on the guide roller a3 through sliding bearings;
the cylinder wall of the main guide cylinder a2 is coated with a first damage-preventing sleeve a5, the cylinder wall of the guide transmission cylinder a4 is coated with a first friction sleeve a6, the first damage-preventing sleeve a5 is in butt joint with the edge of the first friction sleeve a6, the first friction sleeve a6 comprises a first bottom sleeve coated on the cylinder wall of the guide transmission cylinder a4, a plurality of first friction strips are circumferentially distributed on the first bottom sleeve, the first friction strips are parallel to the bus direction of the guide transmission cylinder a4, the first bottom sleeve and the first friction strips are integrally formed, and the first damage-preventing sleeve a5 and the first friction sleeve a6 are made of polyethylene terephthalate.
The limiting roller z1 comprises a cylindrical main limiting roller body z2, the main limiting roller body z2 is sleeved on the limiting roller shaft z3, a circular truncated cone-shaped limiting transmission roller z4 is sleeved on the limiting roller shafts z3 at two ends of the main limiting roller body z2 respectively, the large end face of the limiting transmission roller z4 is attached to the end face of the main limiting roller body z2, the large end face of the limiting transmission roller z4 is matched with the end face of the main limiting roller body z2, the small end face of the limiting transmission roller z4 faces outwards, and the main limiting roller body z2 and the limiting transmission roller z4 are mounted on the limiting roller shaft z3 through sliding bearings respectively;
the cylinder wall of the main limiting cylinder z2 is coated with a second damage-preventing sleeve z5, the cylinder wall of the limiting transmission cylinder z4 is coated with a second friction sleeve z6, the second damage-preventing sleeve z5 is in butt joint with the edge of the second friction sleeve z6, the second friction sleeve z6 comprises a second bottom sleeve coated on the cylinder wall of the limiting transmission cylinder z4, a plurality of second friction strips are circumferentially distributed on the second bottom sleeve, the second friction strips are parallel to the bus direction of the limiting transmission cylinder z4, the second bottom sleeve and the second friction strips are integrally formed, and the second damage-preventing sleeve z5 and the second friction sleeve z6 are made of polyethylene terephthalate.
The upper part of the limiting roll shaft z3 is provided with a horizontal abdication hole b14, and the guide roll shaft a3 positioned above movably passes through the horizontal abdication hole b14.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a cable-stay bridge steel strand wires unloading support piece which characterized in that: comprises a bracket base (d), wherein a lifting support (c) is arranged on the bracket base (d), and a blanking roller assembly is arranged at the upper end of the lifting support (c);
the support base (d) comprises a bottom plate (d 1), at least one support post inserting seat (d 2) is arranged on the upper surface of the bottom plate (d 1), support post inserting holes (d 3) are formed in the support post inserting seat (d 2), a movable roller (d 7) is mounted on the lower surface of the bottom plate (d 1), and the lower end of the lifting support post (c) is inserted into the support post inserting holes (d 3);
the blanking roller assembly comprises two guide rollers (a) which are arranged oppositely and two limit rollers (z) which are arranged oppositely, the two limit rollers (z) are positioned between the two guide rollers (a), the rotating shafts of the guide rollers (a) are perpendicular to the rotating shafts of the limit rollers (z), the two limit rollers (z) are respectively positioned at two ends of the same guide roller (a), and the two guide rollers (a) and the two limit rollers (z) enclose into steel strand perforation;
the guide roller (a) comprises a guide roller shaft (a 3), a guide roller (a 1) is sleeved on the guide roller shaft (a 3), guide conical surface chamfers are respectively arranged between the two end parts of the guide roller (a 1) and the corresponding end surfaces, and the conical surfaces of the guide conical surface chamfers form a guide friction transmission surface;
the limiting roller (z) comprises a limiting roller shaft (z 3), a limiting roller (z 1) is sleeved on the limiting roller shaft (z 3), limiting conical surface chamfers are respectively arranged between the two end parts of the limiting roller (z 1) and the corresponding end surfaces, and the conical surfaces of the limiting conical surface chamfers form a limiting friction transmission surface;
the limiting friction transmission surfaces at two ends of the limiting roller (z) are attached to the guiding friction transmission surfaces at two ends of the guiding carrier roller (a), and the two limiting rollers (z) and the two guiding carrier rollers (a) synchronously rotate;
the upper part of the limiting roll shaft (z 3) is provided with a horizontal abdication hole (b 14), and the guide roll shaft (a 3) positioned above movably passes through the horizontal abdication hole (b 14);
a plurality of support post inserting seats (d 2) are distributed on the bottom plate (d 1) along the same straight line defense line, and at least one group of lock pin holes (d 6) penetrate through the hole wall of the support post inserting holes (d 3).
2. The cable-stayed bridge steel strand blanking support according to claim 1, wherein: the blanking roller assembly further comprises two vertical supporting plates (b 1) which are arranged opposite to each other, the upper ends of the two vertical supporting plates (b 1) are fixedly connected with horizontal supporting top plates (b 2), the lower ends of the two vertical supporting plates (b 1) are fixedly connected with horizontal supporting bottom plates (b 3), the horizontal supporting top plates (b 2), the horizontal supporting bottom plates (b 3) and the two vertical supporting plates (b 1) enclose a rectangular installation frame body, the two guide carrier rollers (a) and the two limit rollers (z) are all positioned in the rectangular installation frame body, and the upper ends of the lifting support posts (c) are connected with the horizontal supporting bottom plates (b 3);
limiting rollers (z) are vertically arranged, the two limiting rollers (z) are respectively close to the two vertical supporting plates (b 1), the two limiting rollers (z) are connected with limiting roller clamping pieces (b 4), guide carrier rollers (a) are horizontally arranged, the two guide carrier rollers (a) are respectively close to the horizontal supporting top plate (b 2) and the horizontal supporting bottom plate (b 3), and the two guide carrier rollers (a) are respectively connected with carrier roller self-compacting pieces (b 5).
3. The cable-stayed bridge steel strand blanking support according to claim 2, wherein: limiting roller clamping piece (b 4) is including fixed setting linear slide rail (b 6) of horizontal support roof (b 2) lower surface, this linear slide rail (b 6) with guide roll axle (a 3) are parallel, are equipped with two sliders (b 7) on this linear slide rail (b 6), two the screw thread wears to be equipped with same drive screw (b 8) on slider (b 7), this drive screw (b 8) is parallel with linear slide rail (b 6), this drive screw (b 8) with positive and negative threaded connection respectively with two slider (b 7) are connected, be connected with twist grip (b 9) after the arbitrary end of this drive screw (b 8) wears out vertical support board (b 1), two limiting roller (z) respectively with two slider (b 7) are connected, the upper end of limiting roll axle (z 3) with slider (b 7) fixed connection that corresponds.
4. The cable-stayed bridge steel strand blanking support according to claim 2, wherein: the two ends of the guide roller shaft (a 3) are respectively provided with a roller self-compaction piece (b 5), the roller self-compaction piece (b 5) comprises a self-compaction base (b 10), the self-compaction base (b 10) is fixed on the vertical supporting plate (b 1), a spring groove (b 11) is vertically arranged on the self-compaction base (b 10), the notch of the spring groove (b 11) faces to the corresponding guide roller (a), the upper end and the lower end of the spring groove (b 11) are respectively sealed, a floating block (b 12) and a vertical pressure spring (b 13) are arranged in the spring groove (b 11), one end of the vertical pressure spring (b 13) is fixed with the floating block (b 12), the other end of the vertical pressure spring (b 13) is fixed with the self-compaction base (b 10), and the two ends of the guide roller shaft (a 3) are respectively connected with the corresponding floating block (b 12);
the lower end of the vertical pressure spring (b 13) close to the horizontal supporting top plate (b 2) is fixed with the floating block (b 12), and the upper end of the vertical pressure spring is fixed with the self-compaction base (b 10);
the upper end of the vertical pressure spring (b 13) close to the horizontal supporting bottom plate (b 3) is fixed with the floating block (b 12), and the lower end is fixed with the self-compaction base (b 10).
5. The cable-stayed bridge steel strand blanking support according to claim 1, wherein: the guide roller (a 1) comprises a cylindrical main guide roller body (a 2), the main guide roller body (a 2) is sleeved on the guide roller shaft (a 3), guide roller shafts (a 3) at two ends of the main guide roller body (a 2) are respectively sleeved with a round table-shaped guide transmission roller (a 4), the large end face of the guide transmission roller (a 4) is attached to the end face of the main guide roller body (a 2), the large end face of the guide transmission roller (a 4) is matched with the end face of the main guide roller body (a 2), the small end face of the guide transmission roller (a 4) faces outwards, and the main guide roller body (a 2) and the guide transmission roller (a 4) are respectively arranged on the guide roller shaft (a 3) through sliding bearings;
the main guide cylinder (a 2) is provided with a first damage-preventing sleeve (a 5) in a coating mode, the guide cylinder (a 4) is provided with a first friction sleeve (a 6) in a coating mode, the first damage-preventing sleeve (a 5) is in butt joint with the edge of the first friction sleeve (a 6), the first friction sleeve (a 6) comprises a first bottom sleeve coated on the guide cylinder (a 4) and provided with a plurality of first friction strips in a circumferential distribution mode, the first friction strips are parallel to the direction of a bus of the guide cylinder (a 4), the first bottom sleeve and the first friction strips are integrally formed, and the first damage-preventing sleeve (a 5) and the first friction sleeve (a 6) are made of polyethylene terephthalate.
6. The cable-stayed bridge steel strand blanking support according to claim 1, wherein: the limiting roller (z 1) comprises a cylindrical main limiting roller body (z 2), the main limiting roller body (z 2) is sleeved on the limiting roller shaft (z 3), a circular truncated cone-shaped limiting transmission roller (z 4) is sleeved on the limiting roller shafts (z 3) at two ends of the main limiting roller body (z 2) respectively, the large end face of the limiting transmission roller (z 4) is attached to the end face of the main limiting roller body (z 2), the large end face of the limiting transmission roller (z 4) is matched with the end face of the main limiting roller body (z 2), the small end face of the limiting transmission roller body (z 4) faces outwards, and the main limiting roller body (z 2) and the limiting transmission roller body (z 4) are mounted on the limiting roller shaft (z 3) through sliding bearings respectively;
the cylinder wall of the main limiting cylinder body (z 2) is coated with a second damage-preventing sleeve (z 5), the cylinder wall of the limiting transmission cylinder (z 4) is coated with a second friction sleeve (z 6), the second damage-preventing sleeve (z 5) is in butt joint with the edge of the second friction sleeve (z 6), the second friction sleeve (z 6) comprises a second bottom sleeve coated on the cylinder wall of the limiting transmission cylinder (z 4), a plurality of second friction strips are annularly distributed on the second bottom sleeve, the second friction strips are parallel to the bus direction of the limiting transmission cylinder (z 4), the second bottom sleeve and the second friction strips are integrally formed, and the second damage-preventing sleeve (z 5) and the second friction sleeve (z 6) are made of polyethylene terephthalate.
7. The cable-stayed bridge steel strand blanking support according to claim 1, wherein: the base plate (d 1) is a rectangular plate, base linkage hanging columns (d 4) are respectively arranged at four corners close to the rectangular plate, the lower parts of the base linkage hanging columns (d 4) are vertically inserted on the base plate (d 1), and the upper parts of the base linkage hanging columns (d 4) are horizontally bent.
8. The cable-stayed bridge steel strand blanking support according to claim 7, wherein: the upper surface of bottom plate (d 1) has seted up the counter bore, the lower part of base linkage articulates post (d 4) is inserted and is established in this counter bore, it is equipped with elasticity friction sleeve (d 5) to fill up between base linkage articulates post (d 4) and the counter bore, the outer wall of this elasticity friction sleeve (d 5) with the inner wall fixed connection of counter bore, this elasticity friction sleeve (d 5) inner wall with the laminating of base linkage articulates post (d 4), elasticity friction sleeve (d 5) is the rubber sleeve, the outer wall of this rubber sleeve with the inner wall of counter bore is pasted fixedly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017103993077 | 2017-05-31 | ||
| CN201710399307 | 2017-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108442257A CN108442257A (en) | 2018-08-24 |
| CN108442257B true CN108442257B (en) | 2023-09-29 |
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Family Applications (1)
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|---|---|---|---|
| CN201810523067.1A Active CN108442257B (en) | 2017-05-31 | 2018-05-28 | Cable-stayed bridge steel strand discharging support piece |
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| CN108975194A (en) * | 2018-10-09 | 2018-12-11 | 厦门大学 | A kind of marine magnetic survey hawser folding and unfolding guiding device |
| CN112890898B (en) * | 2021-02-04 | 2022-07-01 | 苏州法兰克曼医疗器械有限公司 | Suturing nail production equipment for endoscopic cutting anastomat |
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| RU94015431A (en) * | 1994-04-26 | 1996-06-10 | Государственный научно-исследовательский | Winch cable layer and its design versions |
| CN203373663U (en) * | 2013-06-04 | 2014-01-01 | 中交二航局第四工程有限公司安徽分公司 | Pulley type steel strand limiting tool |
| CN104617521A (en) * | 2014-12-26 | 2015-05-13 | 国家电网公司 | Cable laying device |
| CN105035990A (en) * | 2015-08-24 | 2015-11-11 | 华电江苏能源有限公司句容发电厂 | Steel wire rope guiding device and operating method |
| CN204847574U (en) * | 2015-07-22 | 2015-12-09 | 江西中昌电力发展有限公司 | Drum support |
| CN205016914U (en) * | 2015-08-06 | 2016-02-03 | 国网浙江省电力公司丽水供电公司 | Wire releasing frame |
| CN205892331U (en) * | 2016-06-22 | 2017-01-18 | 桐乡市凤鸣制罐厂 | Wire -coil unreeling device |
| CN208279100U (en) * | 2017-05-31 | 2018-12-25 | 中铁十一局集团第五工程有限公司 | Steel wire bracket |
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| RU94015431A (en) * | 1994-04-26 | 1996-06-10 | Государственный научно-исследовательский | Winch cable layer and its design versions |
| CN203373663U (en) * | 2013-06-04 | 2014-01-01 | 中交二航局第四工程有限公司安徽分公司 | Pulley type steel strand limiting tool |
| CN104617521A (en) * | 2014-12-26 | 2015-05-13 | 国家电网公司 | Cable laying device |
| CN204847574U (en) * | 2015-07-22 | 2015-12-09 | 江西中昌电力发展有限公司 | Drum support |
| CN205016914U (en) * | 2015-08-06 | 2016-02-03 | 国网浙江省电力公司丽水供电公司 | Wire releasing frame |
| CN105035990A (en) * | 2015-08-24 | 2015-11-11 | 华电江苏能源有限公司句容发电厂 | Steel wire rope guiding device and operating method |
| CN205892331U (en) * | 2016-06-22 | 2017-01-18 | 桐乡市凤鸣制罐厂 | Wire -coil unreeling device |
| CN208279100U (en) * | 2017-05-31 | 2018-12-25 | 中铁十一局集团第五工程有限公司 | Steel wire bracket |
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| CN108442257A (en) | 2018-08-24 |
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