Adjustable steel bar clamping device for traffic transportation road and bridge construction

Abstract

The invention provides an adjustable steel bar clamping 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 present invention relates to the technical field of road and bridge construction, and particularly relates to an adjustable steel bar clamping device for transportation road and bridge construction. Background Art

[0002] During the construction of transportation roads and bridges, it is necessary to bend steel bars for pouring concrete when tying steel bars during foundation construction.

[0003] Regarding the existing adjustable bending devices for transportation road and bridge construction, when the steel bars are bent, the shaking of the steel bars easily affects the bending effect, and it is difficult for the device to quickly fix steel bars with different diameters; moreover, the adjustability of the device needs to be improved, and it is difficult to quickly adjust the bending radius of the steel bars as required. Summary of the Invention

[0004] An embodiment of the present disclosure relates to an adjustable steel bar clamping device for transportation road and bridge construction. By means of the cooperation between the mounting seat and the bending frame, when the mounting seat is pushed inward, the five bending discs on the bending frame sequentially move to the right end of the workbench, and the tops of the five bending discs are automatically tangent to the top surface of the workbench respectively, so that the device is convenient for performing bending operations with different bending radii as required, and has better adjustability.

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

[0006] In at least some embodiments, a set of adjusting screws is rotatably installed at the outer end of the driving shaft, a set of threaded plates is fixedly installed at the bottom of the bottom rod, a set of threaded holes is formed in the threaded plates, and the threaded holes of the threaded plates at the bottom of the bottom rod are threadedly installed on the adjusting screws at the outer end of the driving shaft.

[0007] In at least some embodiments, a set of guiding grooves is formed at the left end of the fixed plate, a set of guiding blocks is fixedly connected to the right end of the mounting seat, and the guiding blocks at the right end of the mounting seat are slidably installed on the guiding grooves at the left end of the fixed plate.

[0008] In at least some embodiments, a set of first elastic members is sleeved on the connecting rod at the outer end of the positioning rod, and the outer ends of the first elastic members are in contact with the inner end surfaces of the upper support plates on the workbench.

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

[0010] In at least some embodiments, a set of support plates is fixedly installed at the outer end of the workbench, sliding holes are formed in the support plates, a set of connecting rods is fixedly installed at 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 set of linkage shafts is fixedly installed at the right end of the top of the bending frame, a set of inclined guiding grooves is formed in the fixed plate, and the linkage shafts at the top of the bending frame are slidably installed on the inclined guiding grooves of the fixed plate.

[0012] In at least some embodiments, a set of inner guiding grooves is formed at the outer end of the driving shaft, an inner guiding block is fixedly installed at the outer end of the bottom rod, and the inner guiding block at the outer end of the bottom rod is slidably installed on the inner guiding grooves at the outer end of the driving shaft.

[0013] In at least some embodiments, a set of sliding rods is respectively fixedly installed at the front and rear ends of the bending frame, a set of sliding grooves is respectively formed 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 set of guide rods is fixedly installed at the front end of the vertical plate, a sliding hole is formed at the right end of the top plate, and the sliding hole at the right end of the top plate is slidably installed on the guide rods at the front end of the vertical plate.

[0015] The present invention provides an adjustable steel bar clamping device for transportation road and bridge construction, which has the following beneficial effects: In the present invention, the guide plate facilitates the automatic clamping and fixing of steel bars. In cooperation with the fixing block, it can quickly fix the outer side of the bent part of the steel bar, so as to prevent the steel bar from shaking during bending and affecting the bending effect. Through the connecting frame, the device can move the bending rod on the mounting rod outwards according to the needs of the steel bar. In cooperation with the electric telescopic rod on the connecting frame, it is convenient to move the bending rod left and right. The motor drives the bending rod to rotate to quickly bend the steel bar, making the device have better working efficiency. Through the cooperation of the mounting seat and the bending frame, when the mounting seat is pushed inwards, the five bending discs on the bending frame move to the right end of the workbench in sequence, and the tops of the five bending discs are automatically tangent to the top surface of the workbench respectively, so that the device is convenient to perform bending operations with different bending radii according to needs and has better adjustability.

[0016] In addition, the connecting plate at the bottom of the guide plate is slidably installed at both ends of the inner rod. The steel bar is placed between the two guide plates. Under the action of the second elastic members at both ends of the inner rod, the two guide plates automatically clamp and fix the steel bars with different shaft 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 fixing screw at the front end of the vertical plate. After adjusting the protruding length of the steel bar, rotate the fixing screw to make the fixing block move downwards, so as to quickly fix the outer side of the bent 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 drive shaft. 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 drive shaft. By rotating the adjusting screw, the bending rod on the mounting rod can be moved outwards according to the needs of the steel bar. In cooperation with the electric telescopic rod on the connecting frame, it is convenient to move the bending rod left and right. After the steel bar is installed and fixed, the motor drives the bending rod to rotate, and in cooperation with the bending discs on the bending frame, the steel bar is quickly bent, making the device have better working efficiency.

[0018] In addition, the five bending discs have 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. Pull the positioning rod outwards. The guiding block at the right end of the mounting seat is slidably installed on the guiding groove at the left end of the fixing plate. Push the mounting seat inwards. The sliding rods at the front and rear ends of the bending frame are respectively slidably installed in the sliding grooves at the front and rear ends of the mounting seat, and the linkage shaft at the top of the bending frame is slidably installed in the inclined guiding groove of the fixing plate. So that when the mounting seat is pushed inwards, the bending frame automatically moves downwards. When the five bending discs on the bending frame move to the right end of the workbench in sequence, release the positioning rod. Under the action of the first elastic member on the connecting rod, the tops of the five bending discs are automatically tangent to the top surface of the workbench respectively, so that the device is convenient to perform bending operations with different bending radii according to needs and has better adjustability. Description of the Drawings

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly introduced below.

[0020] The accompanying drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0021] In the accompanying drawings: Figure 1 is the front side shaft schematic diagram of the adjustable bending device for transportation road and bridge construction of the present invention.

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

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

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

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

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

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

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

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

[0030] List of reference numerals 1. Workbench; 101. Guide plate; 1011. Connecting plate; 102. Vertical plate; 103. Fixed plate; 1031. Inclined 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; 201. Sliding groove; 202. Guide block; 203. Positioning hole; 3. Bending frame; 301. Bending disc; 302. Slide bar; 303. Linkage shaft; 304. Motor; 305. Drive 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 implementation mode

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0032] Embodiment 1: Please refer to Figures 1 to 9 as shown: The present invention provides an adjustable steel bar clamping device for transportation road and bridge construction, including a workbench 1 and a guide plate 101; A set of inner rods 109 are fixedly installed at the top of the workbench 1. A set of second elastic members 1091 are sleeved and installed at both ends of the inner rods 109 respectively. There are two sets of guide plates 101 in total. A set 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 at both ends of the inner rods 109. A set of vertical plates 102 are fixedly installed at the top of the workbench 1. A set of fixing plates 103 are fixedly installed at the outer ends of the vertical plates 102. A set of fixing blocks 106 are threadedly installed at the front ends of the vertical plates 102. A set of top plates 1061 are fixedly installed at the tops of the fixing blocks 106. A set of positioning rods 105 are slidably installed at the rear end of the workbench 1. A set of mounting seats 2 are slidably installed on the fixing plates 103. A set of bending frames 3 are slidably installed on the mounting seats 2. The top of the bending frame 3 is also slidably installed on the fixing plates 103. A set of positioning holes 203 are equidistantly opened at the rear end of the mounting seat 2, and the positioning rods 105 are inserted and installed in the positioning holes 203 at the rear end of the mounting seat 2. Five sets of bending discs 301 are fixedly installed on the bending frame 3. A set of motors 304 are fixedly installed at the front end of the bending frame 3. A driving shaft 305 is fixed at the outer end of the transmission shaft of the motor 304. A set of connecting frames 306 are threadedly installed on the driving shaft 305. A set of bottom rods 3062 are fixedly installed at the bottom of the connecting frame 306. A set of electric telescopic rods 3061 are fixedly installed at the outer end of the connecting frame 306. A set of mounting rods 307 are fixed on the transmission shaft of the electric telescopic rod 3061. A set of bending rods 3071 are fixedly installed on the mounting rod 307.

[0033] Among them, as Figure 8 and Figure 9 shown, a set 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. A set 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 plates 1011 at the bottom of the guide plate 101 are slidably installed at both ends of the inner rod 109. The steel bars are placed between the two guide plates 101. Under the action of the second elastic members 1091 at both ends of the inner rod 109, the two 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. 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, rotate the fixing screw 108 to make the fixing block 106 move downward, so as to quickly fix the outside of the bending part of the steel bar to prevent the steel bar from shaking and affecting its bending effect when the steel bar is bent.

[0034] In the embodiment of the present disclosure, as Figure 7As shown in the figure, a set of inner guide grooves 3051 are provided at the outer end of the drive 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 drive shaft 305. A set of adjusting screws 3052 are rotatably installed at the outer end of the drive shaft 305. A set of threaded plates 3064 are fixedly installed at the bottom of the bottom rod 3062. The threaded plates 3064 are provided with a set 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 drive shaft 305. Specifically, 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 drive shaft 305, 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 drive shaft 305. By rotating the adjusting screws 3052, the bending rod 3071 on the mounting rod 307 can be moved outwards according to the needs of the steel bar, and the electric telescopic rod 3061 on the connecting frame 306 is convenient for moving the bending rod 3071 left and right. After the steel bar is installed and fixed, the motor 304 drives the bending rod 3071 to rotate, and cooperates with the bending disc 301 on the bending frame 3 to quickly bend the steel bar, so that the device has better working efficiency.

[0035] Embodiment 2: On the basis of Embodiment 1, wherein, as Figures 2 to 6As shown in the figure, a set of guiding grooves 1032 are opened at the left end of the fixing plate 103. A set of guiding blocks 202 are fixedly connected to the right end of the mounting seat 2. The guiding blocks 202 at the right end of the mounting seat 2 are slidably mounted on the guiding grooves 1032 at the left end of the fixing plate 103. A set of sliding rods 302 are respectively fixedly mounted at the front and rear ends of the bending frame 3. A set of sliding grooves 201 are respectively opened at the front and rear ends of the mounting seat 2. The sliding rods 302 at the front and rear ends of the bending frame 3 are respectively slidably mounted on the sliding grooves 201 at the front and rear ends of the mounting seat 2. A set of linkage shafts 303 are fixedly mounted at the right end of the top of the bending frame 3. A set of inclined guiding grooves 1031 are opened on the fixing plate 103. The linkage shafts 303 at the top of the bending frame 3 are slidably mounted on the inclined guiding grooves 1031 of the fixing plate 103. A set of supporting plates 104 are fixedly mounted on the outer end of the workbench 1. A sliding hole is opened on the supporting plate 104. A set of connecting rods 1051 are fixedly mounted on the outer end of the positioning rod 105. The connecting rods 1051 at the outer end of the positioning rod 105 are slidably mounted on the supporting plate 104 at the outer end of the workbench 1. A set of first elastic members 1052 are sleeved on the connecting rods 1051 at the outer end of the positioning rod 105. The outer end of the first elastic member 1052 is in contact with the inner end face of the supporting plate 104 on the workbench 1. Specifically, the five bending discs 301 have different shaft diameters. The connecting rods 1051 at the outer end of the positioning rod 105 are slidably mounted on the supporting plate 104 at the outer end of the workbench 1. Pull the positioning rod 105 outwards. The guiding blocks 202 at the right end of the mounting seat 2 are slidably mounted on the guiding grooves 1032 at the left end of the fixing plate 103. Push the mounting seat 2 inwards. The sliding rods 302 at the front and rear ends of the bending frame 3 are respectively slidably mounted on the sliding grooves 201 at the front and rear ends of the mounting seat 2. The linkage shafts 303 at the top of the bending frame 3 are slidably mounted on the inclined guiding grooves 1031 of the fixing plate 103. So that when the mounting seat 2 is pushed inwards, the bending frame 3 automatically moves downwards. When the five bending discs 301 on the bending frame 3 sequentially move to the right end of the workbench 1, release the positioning rod 105. Under the action of the first elastic member 1052 on the connecting rod 1051, the tops of the five bending discs 301 are respectively tangent to the top surface of the workbench 1 automatically. So that the device is convenient for bending operations with different bending radii according to needs and has better adjustability.

[0036] Specific usage method and function of this embodiment: In the present invention, the steel bar is placed between two guide plates 101. Under the action of the second elastic members 1091 at both ends of the inner rod 109, the two guide plates 101 automatically clamp and fix the steel bar. After adjusting the protruding length of the steel bar, rotate the fixing screw 108 to make the fixing block 106 move downward so as to quickly fix the outside of the bent part of the steel bar. Rotate the adjusting screw 3052, and the bending rod 3071 on the mounting rod 307 can be moved 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 disc 301 on the bending frame 3 to quickly bend the steel bar. The five bending discs 301 have different shaft diameter sizes. Pull the positioning rod 105 outward and push 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 fixing plate 103. So that when the mounting seat 2 is pushed inward, the bending frame 3 automatically moves downward, and when the five bending discs 301 on the bending frame 3 sequentially move to the right end of the workbench 1, release the positioning rod 105. Under the action of the first elastic member 1052 on the connecting rod 1051, the tops of the five bending discs 301 are automatically tangent to the top surface of the workbench 1, so that the device is convenient for bending operations with different bending radii according to needs.

Claims

1. An adjustable steel bar clamping device for transportation road 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); The guide plates (101) are provided with two groups in total, a group of connecting plates (1011) is fixedly mounted at the bottom of the guide plates (101), and the connecting plates (1011) at the bottom of the guide plates (101) are slidably mounted on both ends of the inner rod (109); A group of vertical plates (102) are fixedly mounted on the top of the workbench (1), a group of fixed 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 fixed blocks (106); 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); 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).

2. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: The second elastic member (1091) is a compression spring, and its two ends are respectively in contact with the connecting plate (1011) at the bottom of the guide plate (101) and the end of the inner rod (109).

3. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: The inner surface of the guide plate (101) is provided with anti-slip patterns, which are used to enhance the friction force of clamping the steel bars.

4. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: An arc-shaped groove is provided at the bottom of the fixing block (106), and the curvature of the arc-shaped groove matches the outer diameter of the steel bar to be bent.

5. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: A limit block is provided at the outer end of the guide rod (107) for preventing the top plate (1061) from falling off the guide rod (107).

6. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: A knob is provided on the top of the fixing screw rod (108), and an anti-slip protrusion is provided on the surface of the knob.

7. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: A set of scale rulers is also provided on the top of the workbench (1), and the scale rulers extend along the axial direction of the inner rod (109) and are used to indicate the protruding length of the steel bar.

8. The adjustable steel bar clamping device for transportation road and bridge construction according to claim 1 is characterized by: The guide plate (101) is made of high-strength alloy steel, and its surface is quenched to improve wear resistance.

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