Adjustable bending device for traffic transportation road and bridge construction

Abstract

The invention provides an adjustable bending device for traffic transportation road and bridge construction, and relates to the technical field of road and bridge construction. An inner rod is fixedly mounted at the top of the workbench, a positioning rod is inserted into a positioning hole of a mounting seat, five groups of bending discs are fixedly mounted on a bending frame, a group of mounting rods are fixedly mounted on a transmission shaft of an electric telescopic rod, and bending rods are fixedly mounted on the mounting rods; the reinforcing steel bar is automatically clamped and fixed through the guide plate, and the outer side of the bent position of the reinforcing steel bar is rapidly fixed in cooperation with the fixing block; the mounting base is matched with the bending frame, so that the five sets of bending discs move to the right end of the workbench in sequence, the tops of the five sets of bending discs are automatically tangent to the top face of the workbench, and therefore the device can conduct bending operation of different bending radiuses according to needs conveniently, and good adjustability is achieved; the problems that reinforcing steel bars with different shaft diameters cannot be easily and rapidly fixed through the device, and the bending radius of the reinforcing steel bars cannot be easily and rapidly adjusted through the device according to needs are solved.

Description

Technical Field

[0001] The invention relates to the technical field of road and bridge construction, and in particular to an adjustable bending device for transportation road and bridge construction. Background Art

[0002] During the construction of transportation roads and bridges, the steel bars need to be bent in order to tie them up during foundation construction and pour concrete.

[0003] As for the currently available adjustable bending devices for transportation road and bridge construction, when the steel bars are bent, the shaking of the steel bars can easily affect the bending effect, and the device is not easy to quickly fix steel bars with different axial diameters; and the adjustability of the device needs to be improved, and it is not easy to quickly adjust the bending radius of the steel bars according to needs. Summary of the invention

[0004] The disclosed embodiment relates to an adjustable bending device for transportation road and bridge construction, which cooperates with the bending frame through a mounting seat, so that when the mounting seat is pushed inward, five groups of bending disks on the bending frame are moved to the right end of the workbench in sequence, and the tops of the five groups of bending disks are automatically tangent to the top surface of the workbench, so that the device can easily perform bending operations with different bending radii as needed, and has better adjustability.

[0005] In a first aspect of the present disclosure, there is provided an adjustable bending device for transportation road and bridge construction, specifically comprising: a workbench and a guide plate; A group of inner rods are fixedly installed on the top of the workbench, and a group of second elastic members are respectively sleeved and installed at both ends of the inner rods. There are two groups of guide plates in total. A group of connecting plates are fixedly installed on the bottom of the guide plates, and the connecting plates at the bottom of the guide plates are slidably installed on the two ends of the inner rods. A group of vertical plates are fixedly installed on the top of the workbench, a group of fixed plates are fixedly installed on the outer ends of the vertical plates, a group of fixed blocks are threadedly installed on the front ends of the vertical plates, a group of top plates are fixedly installed on the tops of the fixed blocks, a group of positioning rods are slidably installed on the rear end of the workbench, a group of mounting seats are slidably installed on the fixing plates, and the mounting seats are slidably installed on the mounting seats There is a group of bending frames, the top of the bending frame is also slidably installed on the fixed plate, the rear end of the mounting seat is equidistantly provided with positioning holes, and the positioning rods are plugged and installed on the positioning holes at the rear end of the mounting seat, five groups of bending disks are fixedly installed on the bending frame, a group of motors are fixedly installed on the front end of the bending frame, a driving shaft is fixed on the outer end of the transmission shaft of the motor, a group of connecting frames are threadedly installed on the driving shaft, a group of bottom rods are fixedly installed on the bottom of the connecting frame, an electric telescopic rod is fixedly installed on the outer end of the connecting frame, a group of mounting rods are fixedly installed on the transmission shaft of the electric telescopic rod, and a bending rod is fixedly installed on the mounting rod.

[0006] In at least some embodiments, a group of adjustment screws are rotatably installed on the outer end of the drive shaft, and a group of threaded plates are fixedly installed on the bottom of the bottom rod. The threaded plates have a group of threaded holes, and the threaded holes of the threaded plates at the bottom of the bottom rod are threadedly installed on the adjustment screws at the outer end of the drive shaft.

[0007] In at least some embodiments, a group of guide grooves are opened at the left end of the fixed plate, a group of guide blocks are fixedly connected to the right end of the mounting seat, and the guide blocks at the right end of the mounting seat are slidably mounted on the guide grooves at the left end of the fixed plate.

[0008] In at least some embodiments, a group of first elastic members are sleeved and installed on the connecting rod at the outer end of the positioning rod, and the outer end of the first elastic member is in contact with the inner end surface of the support plate on the workbench.

[0009] In at least some embodiments, a set of fixing screws are rotatably mounted on the front end of the vertical plate, a threaded hole is opened on the left end of the top plate, and the threaded hole on the left end of the top plate is threadedly mounted on the fixing screws at the front end of the vertical plate.

[0010] In at least some embodiments, a group of support plates are fixedly installed on the outer end of the workbench, and sliding holes are opened on the support plates. A group of connecting rods are fixedly installed on the outer end of the positioning rod, and the connecting rods at the outer end of the positioning rod are slidably installed on the support plates at the outer end of the workbench.

[0011] In at least some embodiments, a group of linkage shafts are fixedly installed at the top right end of the bending frame, a group of inclined guide grooves are opened on the fixed plate, and the linkage shafts at the top of the bending frame are slidably installed on the inclined guide grooves of the fixed plate.

[0012] In at least some embodiments, a group of inner guide grooves are formed at the outer end of the drive shaft, an inner guide block is fixedly mounted at the outer end of the bottom rod, and the inner guide block at the outer end of the bottom rod is slidably mounted on the inner guide groove at the outer end of the drive shaft.

[0013] In at least some embodiments, a group of sliding rods are fixedly installed at the front and rear ends of the bending frame, a group of sliding grooves are respectively opened at the front and rear ends of the mounting seat, and the sliding rods at the front and rear ends of the bending frame are respectively slidably installed on the sliding grooves at the front and rear ends of the mounting seat.

[0014] In at least some embodiments, a group of guide rods are fixedly mounted on the front end of the vertical plate, a sliding hole is opened at the right end of the top plate, and the sliding hole at the right end of the top plate is slidably mounted on the guide rod at the front end of the vertical plate.

[0015] The present invention provides an adjustable bending device for traffic road and bridge construction, which has the following beneficial effects: The present invention facilitates automatic clamping and fixing of the steel bars through the guide plate, and cooperates with the fixing block to quickly fix the outer side of the bending part of the steel bars to avoid the shaking of the steel bars affecting the bending effect when the steel bars are bent; the connecting frame enables the device to move the bending rod on the mounting rod outward according to the needs of the steel bars, and cooperates with the electric telescopic rod on the connecting frame to facilitate the left and right movement of the bending rod, and the motor drives the bending rod to rotate to quickly bend the steel bars, so that the device has better working efficiency; the mounting seat is cooperated with the bending frame, so that when the mounting seat is pushed inward, the five groups of bending disks on the bending frame are moved to the right end of the workbench in turn, and the tops of the five groups of bending disks are automatically tangent to the top surface of the workbench, so that the device is convenient for bending operations with different bending radii as needed, and has better adjustability.

[0016] In addition, the connecting plate at the bottom of the guide plate is slidably installed on the two ends of the inner rod, and the steel bar is placed between the two sets of guide plates. Under the action of the second elastic members at both ends of the inner rod, the two sets of guide plates automatically clamp and fix the steel bars with different axial diameters. The sliding hole at the right end of the top plate is slidably installed on the guide rod at the front end of the vertical plate, and the threaded hole at the left end of the top plate is threadedly installed on the fixed screw at the front end of the vertical plate. After adjusting the protruding length of the steel bar, the fixed screw is rotated to move the fixed block downward so as to quickly fix the outer side of the bending part of the steel bar.

[0017] In addition, the inner guide block at the outer end of the bottom rod is slidably installed on the inner guide groove at the outer end of the driving shaft, and the threaded hole of the threaded plate at the bottom of the bottom rod is threadedly installed on the adjusting screw at the outer end of the driving shaft. By rotating the adjusting screw, the bending rod on the installation rod can be moved outward according to the needs of the steel bars, and the electric telescopic rod on the connecting frame is used to facilitate the movement of the bending rod to the left and right. When the steel bars are installed and fixed, the motor drives the bending rod to rotate, and cooperates with the bending plate on the bending frame to quickly bend the steel bars, so that the device has better working efficiency.

[0018] In addition, through the five groups of bending disks with different shaft diameters, the connecting rod at the outer end of the positioning rod is slidably installed on the support plate at the outer end of the workbench, the positioning rod is pulled outward, and the guide block at the right end of the mounting seat is slidably installed on the guide groove at the left end of the fixed plate, and the mounting seat is pushed inward. The sliding rods at the front and rear end of the bending frame are slidably installed on the sliding grooves at the front and rear end of the mounting seat, and the linkage shaft at the top of the bending frame is slidably installed on the inclined guide groove of the fixed plate, so that when the mounting seat is pushed inward, the bending frame automatically moves downward, so that the five groups of bending disks on the bending frame move to the right end of the workbench in turn, and the positioning rod is released. Under the action of the first elastic member on the connecting rod, the tops of the five groups of bending disks are automatically tangent to the top surface of the workbench, so that the device can be convenient for bending operations with different bending radii according to needs, and has better adjustability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 It is a front axial schematic diagram of the adjustable bending device for transportation road and bridge construction of the present invention.

[0022] Figure 2 It is a rear axial schematic diagram of the adjustable bending device for transportation road and bridge construction of the present invention.

[0023] Figure 3 It is a disassembled front side schematic diagram of the adjustable bending device for transportation road and bridge construction of the present invention.

[0024] Figure 4 It is a schematic diagram of the disassembled rear side of the adjustable bending device for transportation road and bridge construction of the present invention.

[0025] Figure 5 It is a schematic diagram of the installation of the positioning rod of the adjustable bending device for transportation road and bridge construction of the present invention.

[0026] Figure 6 It is a structural schematic diagram of a bending frame of an adjustable bending device for transportation road and bridge construction of the present invention.

[0027] Figure 7 It is a schematic diagram of the rear end of a bending frame of the adjustable bending device for transportation road and bridge construction of the present invention.

[0028] Figure 8 It is a schematic diagram of the installation of the fixed block of the adjustable bending device for transportation road and bridge construction of the present invention.

[0029] Fig. 9 It is a cross-sectional schematic diagram of a workbench of the adjustable bending device for transportation road and bridge construction of the present invention.

[0030] Reference numerals list 1. Workbench; 101. Guide plate; 1011. Connecting plate; 102. Vertical plate; 103. Fixed plate; 1031. Oblique guide groove; 1032. Guide groove; 104. Support plate; 105. Positioning rod; 1051. Connecting rod; 1052. First elastic member; 106. Fixed block; 1061. Top plate; 107. Guide rod; 108. Fixed screw; 109. Inner rod; 1091. Second elastic member; 2. Mounting seat; 2 01, sliding groove; 202, guide block; 203, positioning hole; 3, bending frame; 301, bending plate; 302, sliding rod; 303, linkage shaft; 304, motor; 305, driving shaft; 3051, inner guide groove; 3052, adjusting screw; 306, connecting frame; 3061, electric telescopic rod; 3062, bottom rod; 3063, inner guide block; 3064, threaded plate; 307, mounting rod; 3071, bending rod. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example 1, please refer to Figures 1 to 9 As shown: The present invention provides an adjustable bending device for transportation road and bridge construction, comprising a workbench 1 and a guide plate 101; A group of inner rods 109 are fixedly installed on the top of the workbench 1, and a group of second elastic members 1091 are respectively sleeved and installed at both ends of the inner rods 109. There are two groups of guide plates 101. A group of connecting plates 1011 are fixedly installed at the bottom of the guide plates 101, and the connecting plates 1011 at the bottom of the guide plates 101 are slidably installed on the two ends of the inner rods 109. A group of vertical plates 102 are fixedly installed on the top of the workbench 1, and a group of fixed plates 103 are fixedly installed on the outer ends of the vertical plates 102. A group of fixed blocks 106 are threadedly installed on the front ends of the vertical plates 102, and a group of top plates 1061 are fixedly installed on the top of the fixed blocks 106. A group of positioning rods 105 are slidably installed on the rear end of the workbench 1, and a group of mounting seats 2 are slidably installed on the fixing plates 103, and a A bending frame 3 is formed, and the top of the bending frame 3 is also slidably installed on the fixed plate 103. The rear end of the mounting seat 2 is equidistantly provided with positioning holes 203, and the positioning rod 105 is plugged and installed on the positioning holes 203 at the rear end of the mounting seat 2. Five groups of bending plates 301 are fixedly installed on the bending frame 3. A group of motors 304 are fixedly installed on the front end of the bending frame 3. A driving shaft 305 is fixedly installed on the outer end of the transmission shaft of the motor 304. A group of connecting frames 306 are threadedly installed on the driving shaft 305. A group of bottom rods 3062 are fixedly installed on the bottom of the connecting frame 306. An electric telescopic rod 3061 is fixedly installed on the outer end of the connecting frame 306. A group of mounting rods 307 are fixedly installed on the transmission shaft of the electric telescopic rod 3061, and a bending rod 3071 is fixedly installed on the mounting rod 307.

[0033] Among them, Figure 8 and Fig. 9 As shown, a group of guide rods 107 are fixedly installed at the front end of the vertical plate 102, a sliding hole is opened at the right end of the top plate 1061, and the sliding hole at the right end of the top plate 1061 is slidably installed on the guide rod 107 at the front end of the vertical plate 102, and a group of fixing screws 108 are also rotatably installed at the front end of the vertical plate 102, a threaded hole is opened at the left end of the top plate 1061, and the threaded hole at the left end of the top plate 1061 is threadedly installed on the fixing screw 108 at the front end of the vertical plate 102; specifically, the connecting plate 1011 at the bottom of the guide plate 101 is slidably installed at the two ends of the inner rod 109, and the steel bars are placed between the two groups of guide rods. Between the plates 101, under the action of the second elastic members 1091 at both ends of the inner rod 109, the two sets of guide plates 101 automatically clamp and fix the steel bars, the sliding hole at the right end of the top plate 1061 is slidably installed on the guide rod 107 at the front end of the vertical plate 102, and the threaded hole at the left end of the top plate 1061 is threadedly installed on the fixing screw 108 at the front end of the vertical plate 102. After adjusting the protruding length of the steel bar, the fixing screw 108 is rotated to move the fixing block 106 downward so as to quickly fix the outer side of the bending part of the steel bar to avoid the shaking of the steel bar affecting its bending effect when the steel bar is bent.

[0034] In the present disclosure, Figure 7As shown, a group of inner guide grooves 3051 are provided at the outer end of the driving shaft 305, an inner guide block 3063 is fixedly installed at the outer end of the bottom rod 3062, and the inner guide block 3063 at the outer end of the bottom rod 3062 is slidably installed on the inner guide groove 3051 at the outer end of the driving shaft 305, a group of adjusting screws 3052 are rotatably installed at the outer end of the driving shaft 305, a group of threaded plates 3064 are fixedly installed at the bottom of the bottom rod 3062, the threaded plates 3064 are provided with a group of threaded holes, and the threaded holes of the threaded plates 3064 at the bottom of the bottom rod 3062 are threadedly installed on the adjusting screws 3052 at the outer end of the driving shaft 305; specifically, the inner guide block 3063 at the outer end of the bottom rod 3062 63 is slidably mounted on the inner guide groove 3051 at the outer end of the driving shaft 305, and the threaded hole of the bottom threaded plate 3064 of the bottom rod 3062 is threadedly mounted on the adjusting screw 3052 at the outer end of the driving shaft 305. By rotating the adjusting screw 3052, the bending rod 3071 on the mounting rod 307 can be moved outward according to the needs of the steel bars, and the electric telescopic rod 3061 on the connecting frame 306 is used to facilitate the movement of the bending rod 3071 left and right. When the steel bars are installed and fixed, the motor 304 drives the bending rod 3071 to rotate, and cooperates with the bending disk 301 on the bending frame 3 to quickly bend the steel bars, so that the device has better working efficiency.

[0035] Embodiment 2, based on embodiment 1, wherein Figures 2 to 6As shown, a group of guide grooves 1032 are opened at the left end of the fixed plate 103, a group of guide blocks 202 are fixedly connected to the right end of the mounting seat 2, and the guide blocks 202 at the right end of the mounting seat 2 are slidably installed on the guide grooves 1032 at the left end of the fixed plate 103, a group of slide bars 302 are fixedly installed at the front and rear ends of the bending frame 3, a group of sliding grooves 201 are opened at the front and rear ends of the mounting seat 2, and the slide bars 302 at the front and rear ends of the bending frame 3 are slidably installed on the sliding grooves 201 at the front and rear ends of the mounting seat 2, and a group of linkage is fixedly installed at the top right end of the bending frame 3. The shaft 303 is provided with a group of inclined guide grooves 1031 on the fixed plate 103, and the linkage shaft 303 on the top of the bending frame 3 is slidably installed on the inclined guide grooves 1031 of the fixed plate 103. A group of support plates 104 are fixedly installed on the outer end of the workbench 1, and a sliding hole is opened on the support plate 104. A group of connecting rods 1051 are fixedly installed on the outer end of the positioning rod 105, and the connecting rod 1051 at the outer end of the positioning rod 105 is slidably installed on the support plate 104 at the outer end of the workbench 1, and a group of first elastic members 105 are sleeved and installed on the connecting rod 1051 at the outer end of the positioning rod 105. 2, the outer end of the first elastic member 1052 contacts the inner end surface of the support plate 104 on the workbench 1; specifically, the five groups of bending disks 301 have different shaft diameters, the connecting rod 1051 at the outer end of the positioning rod 105 is slidably installed on the support plate 104 at the outer end of the workbench 1, the positioning rod 105 is pulled outward, the guide block 202 at the right end of the mounting seat 2 is slidably installed on the guide groove 1032 at the left end of the fixed plate 103, the mounting seat 2 is pushed inward, and the sliding rods 302 at the front and rear ends of the bending frame 3 are slidably installed on the sliding grooves 201 at the front and rear ends of the mounting seat 2, respectively. The linkage shaft 303 at the top of the bending frame 3 is slidably installed on the inclined guide groove 1031 of the fixed plate 103, so that when the mounting seat 2 is pushed inward, the bending frame 3 automatically moves downward, so that when the five groups of bending disks 301 on the bending frame 3 move to the right end of the workbench 1 in turn, the positioning rod 105 is released, and under the action of the first elastic member 1052 on the connecting rod 1051, the tops of the five groups of bending disks 301 are automatically tangent to the top surface of the workbench 1, so that the device can be conveniently used for bending operations with different bending radii as needed, and has better adjustability.

[0036] Specific usage and function of this embodiment: In the present invention, the steel bar is placed between the two sets of guide plates 101. Under the action of the second elastic members 1091 at both ends of the inner rod 109, the two sets of guide plates 101 automatically clamp and fix the steel bar. After adjusting the extended length of the steel bar, the fixing screw 108 is rotated to move the fixing block 106 downward so as to quickly fix the outer side of the bending part of the steel bar. The adjusting screw 3052 is rotated to move the bending rod 3071 on the installation rod 307 outward according to the needs of the steel bar. When the steel bar is installed and fixed, the motor 304 drives the bending rod 3071 to rotate, and cooperates with the bending disk 301 on the bending frame 3 to quickly bend the steel bar. The five sets of bending disks 301 are respectively different The shaft diameter size is determined by pulling the positioning rod 105 outward and pushing the mounting seat 2 inward. The sliding rods 302 at the front and rear ends of the bending frame 3 are respectively slidably installed on the sliding grooves 201 at the front and rear ends of the mounting seat 2, and the linkage shaft 303 at the top of the bending frame 3 is slidably installed on the inclined guide groove 1031 of the fixed plate 103, so that when the mounting seat 2 is pushed inward, the bending frame 3 automatically moves downward, so that the five groups of bending disks 301 on the bending frame 3 move to the right end of the workbench 1 in turn, and the positioning rod 105 is released. Under the action of the first elastic member 1052 on the connecting rod 1051, the tops of the five groups of bending disks 301 are automatically tangent to the top surface of the workbench 1, so that the device can be convenient for performing bending operations with different bending radii as needed.

Claims

1. An adjustable bending device for traffic and bridge construction, characterized in that: It comprises a workbench (1) and a guide plate (101); A group of inner rods (109) are fixedly mounted on the top of the workbench (1), and a group of second elastic members (1091) are respectively sleeved and mounted on both ends of the inner rods (109). Two groups of guide plates (101) are provided. A group of connecting plates (1011) are fixedly mounted on the bottom of the guide plates (101), and the connecting plates (1011) at the bottom of the guide plates (101) are slidably mounted on the two ends of the inner rods (109). A group of vertical plates (102) are fixedly mounted on the top of the workbench (1), and a group of fixing plates (103) are fixedly mounted on the outer ends of the vertical plates (102). A group of fixing blocks (106) are threadedly mounted on the front ends of the vertical plates (102), and a group of top plates (1061) are fixedly mounted on the tops of the fixing blocks (106). A group of positioning rods (105) are slidably mounted on the rear end of the workbench (1), and a group of mounting seats (2) are slidably mounted on the fixing plates (103). A bending frame (3) is provided, the top of the bending frame (3) is also slidably mounted on the fixing plate (103), the rear end of the mounting seat (2) is provided with positioning holes (203) at equal intervals, and the positioning rod (105) is plugged and mounted on the positioning holes (203) at the rear end of the mounting seat (2), five groups of bending plates (301) are fixedly mounted on the bending frame (3), a group of motors (304) are fixedly mounted on the front end of the bending frame (3), a driving shaft (305) is fixedly mounted on the outer end of the transmission shaft of the motor (304), a group of connecting frames (306) is threadedly mounted on the driving shaft (305), a group of bottom rods (3062) is fixedly mounted on the bottom of the connecting frame (306), an electric telescopic rod (3061) is fixedly mounted on the outer end of the connecting frame (306), a group of mounting rods (307) is fixedly mounted on the transmission shaft of the electric telescopic rod (3061), and a bending rod (3071) is fixedly mounted on the mounting rod (307).

2. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of guide rods (107) are fixedly mounted on the front end of the vertical plate (102), a sliding hole is opened on the right end of the top plate (1061), and the sliding hole on the right end of the top plate (1061) is slidably mounted on the guide rod (107) at the front end of the vertical plate (102).

3. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A set of fixing screws (108) are rotatably mounted on the front end of the vertical plate (102), a threaded hole is provided on the left end of the top plate (1061), and the threaded hole on the left end of the top plate (1061) is threadedly mounted on the fixing screws (108) at the front end of the vertical plate (102).

4. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: The outer end of the driving shaft (305) is provided with a group of inner guide grooves (3051), the outer end of the bottom rod (3062) is fixedly mounted with an inner guide block (3063), and the inner guide block (3063) at the outer end of the bottom rod (3062) is slidably mounted on the inner guide groove (3051) at the outer end of the driving shaft (305).

5. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of adjusting screws (3052) are rotatably mounted on the outer end of the driving shaft (305), and a group of threaded plates (3064) are fixedly mounted on the bottom of the bottom rod (3062). The threaded plates (3064) are provided with a group of threaded holes, and the threaded holes of the threaded plates (3064) at the bottom of the bottom rod (3062) are threadedly mounted on the adjusting screws (3052) at the outer end of the driving shaft (305).

6. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of guide grooves (1032) are formed at the left end of the fixed plate (103), a group of guide blocks (202) are fixedly connected to the right end of the mounting seat (2), and the guide blocks (202) at the right end of the mounting seat (2) are slidably mounted on the guide grooves (1032) at the left end of the fixed plate (103).

7. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of sliding rods (302) are fixedly mounted on the front and rear ends of the bending frame (3), a group of sliding grooves (201) are respectively opened on the front and rear ends of the mounting seat (2), and the sliding rods (302) on the front and rear ends of the bending frame (3) are respectively slidably mounted on the sliding grooves (201) on the front and rear ends of the mounting seat (2).

8. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of linkage shafts (303) are fixedly installed at the right end of the top of the bending frame (3), a group of inclined guide grooves (1031) are opened on the fixed plate (103), and the linkage shafts (303) at the top of the bending frame (3) are slidably installed on the inclined guide grooves (1031) of the fixed plate (103).

9. The adjustable bending device for traffic and bridge construction according to claim 1 is characterized by: A group of support plates (104) are fixedly mounted on the outer end of the workbench (1), and a sliding hole is opened on the support plate (104). A group of connecting rods (1051) are fixedly mounted on the outer end of the positioning rod (105), and the connecting rod (1051) at the outer end of the positioning rod (105) is slidably mounted on the support plate (104) at the outer end of the workbench (1).

10. The adjustable bending device for traffic and bridge construction according to claim 1, characterized in that: A group of first elastic members (1052) is sleeved and mounted on the connecting rod (1051) at the outer end of the positioning rod (105), and the outer end of the first elastic member (1052) is in contact with the inner end surface of the upper support plate (104) of the workbench (1).

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