CN220718962U - Reinforcing steel bar clamping device - Google Patents

Abstract

The application provides a steel bar clamping device, which comprises a fixed seat, wherein a first supporting surface is arranged on the fixed seat; the support rods are arranged on the first support surface along a first direction, and are sequentially arranged along a second direction which is perpendicular to the first direction; one end of all the support rods, which is far away from the fixed seat, jointly forms a second support surface; the clamping device is arranged on the second supporting surface, the clamping device comprises a rotating rod extending along the second direction, one end of the rotating rod is provided with a clamping piece, the clamping piece is used for clamping a steel bar to be polished, all the supporting rods are away from one ends of the first supporting surface, which are respectively provided with a sleeve, the rotating rod penetrates through the sleeves and is rotatably connected with the sleeves, and compared with the prior art, the polishing effect of the steel bar can be guaranteed.

Description

Reinforcing steel bar clamping device

Technical Field

The application relates to the technical field of reinforcement test processing, in particular to a reinforcement clamping device.

Background

In the prior art, when rust on the steel bar is removed, the steel bar is firstly required to be fixed, in the polishing process, the steel bar is generally fixed in a manual mode, so that a certain posture is required to be kept for a long time manually, the labor intensity is easily increased, the physical health of workers is easily influenced, the stability of the manually fixed steel bar is influenced by the technical level and the fatigue degree of the workers, the consistency of the stability of each time of fixing cannot be ensured, and the steel bar is possibly moved or rocked in the polishing process, so that the polishing effect is influenced.

Disclosure of Invention

An object of the present application is to address the above problem, providing a rebar clamping device, comprising:

the fixing seat is provided with a first supporting surface;

the support rods are arranged on the first support surface along a first direction, and are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction; one end of all the support rods, which is far away from the fixed seat, jointly forms a second support surface;

the clamping device is arranged on the second supporting surface and comprises a rotating rod extending along the second direction, one end of the rotating rod is provided with a clamping piece, the clamping piece is used for clamping a steel bar to be polished, one end, far away from the first supporting surface, of each supporting rod is provided with a sleeve, and the rotating rod penetrates through the sleeve and is rotatably connected with the sleeve.

According to the technical scheme that this application embodiment provided, the clamping piece is including establishing the mount pad of dwang one end, the mount pad is kept away from the one end of dwang is equipped with first opening, be formed with first locking space in the mount pad, follow on the mount pad the retaining member is equipped with respectively in first direction, the third direction, the retaining member has the locking end, the third direction perpendicular to the first direction.

According to the technical scheme that this application embodiment provided, the retaining member includes two edges first direction, edge the retaining bolt that the third direction was arranged respectively, follow on the mount pad first direction the third direction is equipped with two first bolt holes respectively, four the locking end of retaining bolt passes through respectively first bolt hole stretches into to inside the first locking space.

According to the technical scheme that this application embodiment provided, the dwang is kept away from the one end fixedly connected with rotation handle of mount pad.

According to the technical scheme that this application embodiment provided still be equipped with strutting arrangement on the first holding surface, strutting arrangement includes first backup pad, first backup pad with the fixing base is followed first direction is arranged first backup pad with be equipped with adjusting part between the fixing base, adjusting part is used for adjusting first backup pad with distance between the fixing base.

According to the technical scheme that this application embodiment provided, adjusting part has drive piece and the extensible member of mutually supporting, the drive piece can drive the extensible member is followed the first direction is flexible, so that increase or reduce first backup pad with distance between the fixing base.

According to the technical scheme that this application embodiment provided, the extensible member includes along the first flexible unit and the second flexible unit of third direction arrangement, first flexible unit includes first flexible connecting rod and second flexible connecting rod, the second flexible unit includes third flexible connecting rod and fourth flexible connecting rod, first flexible connecting rod the second flexible connecting rod the third flexible connecting rod with the fourth flexible connecting rod all includes a plurality of articulated connecting rods in proper order, first flexible connecting rod with the second flexible connecting rod is corresponding articulated mutually between the connecting rod, the third flexible connecting rod with the fourth flexible connecting rod is corresponding articulated mutually between the connecting rod.

According to the technical scheme that this application embodiment provided, adjusting part still include with the first fixed plate that first backup pad is connected, with the second fixed plate that the fixing base is connected, first fixed plate with second fixed plate lateral wall is equipped with the edge the spout that the second direction extends, first flexible connecting rod the both ends of third flexible connecting rod respectively with spout sliding connection, the second flexible connecting rod the both ends of fourth flexible connecting rod respectively with first fixed plate the lateral wall of second fixed plate is kept away from relatively the one end of spout articulates.

According to the technical scheme that this application embodiment provided, adjusting part still include with the first fixed plate that first backup pad is connected, with the second fixed plate that the fixing base is connected, first fixed plate with second fixed plate lateral wall is equipped with the edge the spout that the second direction extends, the second flexible connecting rod the both ends of fourth flexible connecting rod respectively with spout sliding connection, first flexible connecting rod the both ends of third flexible connecting rod respectively with first fixed plate the lateral wall of second fixed plate is kept away from relatively the one end of spout articulates.

According to the technical scheme provided by the embodiment of the application, the two end points of the first telescopic connecting rod are connected with a third connecting rod at the positions opposite to the two end points of the third telescopic connecting rod, and the two end points of the second telescopic connecting rod are connected with a fourth connecting rod at the positions opposite to the two end points of the fourth telescopic connecting rod.

Compared with the prior art, the beneficial effect of this application: according to the polishing device, the fixing seat is arranged, at least two support rods are further arranged on the fixing seat, a second support surface is formed at one end, far away from the fixing seat, of each support rod, a clamping device is arranged on the second support surface and comprises a rotating rod, one end of the rotating rod is further provided with a clamping piece, the clamping piece is used for clamping a steel bar to be polished, a sleeve is further arranged at one end, far away from the first support surface, of each support rod, and the rotating rod is rotatably connected with the sleeve; in the use, the clamping piece that will wait to polish the one end of reinforcing bar uses clamping device presss from both sides tightly, then polishes the reinforcing bar, after polishing the upper surface to the reinforcing bar, can just can realize rotating the reinforcing bar through rotating the dwang, for the mode that uses the hand to fix the reinforcing bar among the prior art, can guarantee on the one hand that the in-process of rust cleaning is polished the reinforcing bar, the reinforcing bar can not take place to rock, on the other hand also can guarantee the in-process of rust cleaning is polished the reinforcing bar, can not influence final polishing effect, and can not increase staff's intensity of labour.

Drawings

Fig. 1 is a schematic overall structure of a reinforcing bar clamping device according to an embodiment of the present application;

FIG. 2 is a schematic view of the handle and sleeve;

FIG. 3 is a schematic view of the structure of the mounting box;

fig. 4 is a schematic structural view of the adjusting assembly.

The text labels in the figures are expressed as: 1. a fixing seat; 2. a support rod; 3. a rotating lever; 4. a sleeve; 5. a mounting base; 6. a first opening; 7. a locking bolt; 8. a rotating handle; 9. a first support plate; 10. a first articulation rod; 12. a first fixing plate; 13. a second fixing plate; 14. a driving member; 15. a first telescopic link; 16. a second telescopic link; 17. a third telescopic link; 18. a fourth telescopic link; 19. a second articulation rod; 20. a third articulation rod; 21. a fourth articulation rod; 22. a chute; 23. and (5) polishing the steel bars.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application is provided by way of example and illustration only, and should not be construed to limit the scope of the present application in any way.

Referring to fig. 1, the present embodiment provides a steel bar clamping device, including: the fixing seat 1 is provided with a first supporting surface;

at least two support rods 2, wherein all the support rods 2 are arranged on the first support surface along a first direction, and all the support rods 2 are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction; one end of all the support rods 2 far away from the fixed seat 1 jointly forms a second support surface;

the clamping device is arranged on the second supporting surface and comprises a rotating rod 3 extending along the second direction, one end of the rotating rod 3 is provided with a clamping piece, one end, away from the first supporting surface, of each supporting rod 2, which is used for clamping to be polished is provided with a sleeve 4, and the rotating rod 3 penetrates through the sleeve 4 and is rotatably connected with the sleeve 4.

Specifically, in this embodiment, please refer to fig. 1 in detail, the fixing base 1 is in a cuboid shape, the fixing base 1 is disposed on a test stand, the fixing base 1 has a first supporting surface, the first supporting surface is in a rectangle shape, at least two supporting rods 2 are disposed on the first supporting surface, all the supporting rods 2 are cylindrical, and the number of the supporting rods 2 is two in this embodiment, but not limited to two, and the number of the supporting rods can be correspondingly increased or decreased according to actual situations; each supporting rod 2 extends along a first direction, wherein the first direction is a vertical direction in fig. 1, namely, the first direction is perpendicular to the fixed plate 1, the two supporting rods 2 are sequentially arranged along a second direction, the first direction is perpendicular to the second direction, the second direction is parallel to the fixed plate 1, the second direction is a horizontal direction in fig. 1, one ends of the two supporting rods 2 far away from the fixed plate 1 are jointly formed with a second supporting surface, the second supporting surface is parallel to the first supporting surface, and a clamping device is arranged on the second supporting surface;

referring to fig. 1 in detail, the clamping device includes a rotating rod 3, the rotating rod 3 extends along the second direction, that is, extends along the horizontal direction in fig. 1, one end of the rotating rod 3 is provided with a clamping piece, the clamping piece is used for clamping a steel bar 20 to be polished specifically, fixing the steel bar 20, one end of two support rods 2, which are relatively far away from the fixing base 1, is respectively provided with a sleeve 4, the two sleeves 4 are sequentially arranged along the second direction, the two sleeves 4 are all provided with through holes, and the through holes extend along the second direction, the rotating rod 3 sequentially passes through the two sleeves 4 along the second direction, the rotating rod 3 can rotate around the axial direction of the rotating rod 3 in the sleeve 4, and the rotating rod 3 can also move in the sleeve 4 along the second direction, the diameter of the rotating rod 3 is slightly smaller than the inner diameter of the sleeve 4, which means that the rotating rod 3 needs help to rotate if the rotating rod 3 is wanted to rotate, and the rotating rod can be prevented from rotating by an external force of about 99cm, for example, and the outer diameter of the rotating rod is not limited to be about 1 cm, and the outer diameter of the rotating rod is required to be about 1 cm.

In this implementation, this application is through being equipped with the bracing piece on the fixing base, the bracing piece forms the second holding surface, be equipped with clamping device on the second holding surface, be used for treating the reinforcing bar of polishing, rust cleaning, in the use, one end that will treat the reinforcing bar of polishing uses clamping device to fix, thereby can polish the rust cleaning to the reinforcing bar, labour saving and time saving, need not the manual work and fix the reinforcing bar, and after finishing the rust on one side reinforcing bar, can switch the reinforcing bar face of polishing through rotatory dwang, after finishing polishing near the reinforcing bar of wherein certain one end, can follow the first direction and control the dwang, in order to realize the switching to the reinforcing bar position of polishing.

In a preferred embodiment, the clamping member includes a mounting seat 5 disposed at one end of the rotating rod 3, a first opening 6 is disposed at one end of the mounting seat 5 away from the rotating rod 3, a first locking space is formed in the mounting seat 5, locking members are disposed on the mounting seat 5 along the first direction and the third direction respectively, the locking members have locking ends, and the third direction is perpendicular to the first direction.

Specifically, in this embodiment, the clamping member includes a mounting seat 5, the mounting seat 5 is provided at one end of the rotating rod 3, the mounting seat 5 is in a cuboid shape in this embodiment, and is not limited to a cuboid shape, and may be changed according to actual conditions, a first opening 6 is provided at one end of the mounting seat 5, which is relatively far away from the rotating rod 3, the first opening 6 is used for providing a channel for a reinforcing steel bar to enter the mounting seat 5, a first locking space is formed in the mounting seat 5, locking members are provided on the mounting seat 5 along the first direction, and locking members are also provided along the third direction, wherein the third direction is perpendicular to the first direction and the second direction, and each locking member has a locking end.

In the use, stretch into the inside in first locking space with the reinforcing bar that will wait to polish through first opening, then lock the reinforcing bar at the locking end that uses the retaining member and die, prevent that the reinforcing bar from taking place to rotate.

In a preferred embodiment, the locking member includes two locking bolts 7 respectively arranged along the first direction and the third direction, two first bolt holes are respectively arranged on the mounting seat 5 along the first direction and the third direction, and locking ends of the four locking bolts 7 respectively extend into the first locking space through the first bolt holes.

Specifically, in this embodiment, the locking members are locking bolts 7 used in this embodiment, the number of the locking bolts 7 is four, two locking bolts 7 are in a group, two locking bolts 7 are sequentially arranged along the first direction, another group of two locking bolts 7 are arranged along the third direction, four locking bolts 7 are respectively provided with a locking end, a gasket is further arranged on the locking ends, the gasket can increase the contact area with the steel bar 23 to be polished, so that the steel bar 23 to be polished can be better fixed during polishing, the upper side and the lower side on the mounting seat 5 are respectively provided with a first bolt hole, the four locking bolts 7 can move inside the first bolt holes, so that the steel bar 23 to be polished is clamped and loosened, and when the four locking ends are mutually close, the steel bar 23 to be polished can be fixed inside the first locking space.

In the use, stretch into the reinforcing bar that will polish to first locking space inside, then rotatory each locking bolt 7 respectively, make four locking ends be close to each other to can be with waiting to polish reinforcing bar 23 fix inside the mount pad 5.

In a preferred embodiment, a rotating handle 8 is fixedly connected to the end of the rotating rod 3 away from the mounting seat 5.

Specifically, in this embodiment, as shown in fig. 2, a rotating handle 8 is further disposed at an end of the rotating rod 3 away from the mounting seat 5, and the rotating handle 8 is used for rotating the rotating rod 3 or making the rotating rod 3 move left and right along the second direction; the rotating handle 8 comprises a rotating part and a connecting part, the rotating part is in a circular ring shape, three connecting parts are arranged on the rotating part, the three connecting parts are in a circular tube shape, and one end, relatively far away from the rotating part, of the three connecting parts is connected with the rotating rod 3, and the specific shape is shown in fig. 2.

In a preferred embodiment, a supporting device is further provided on the first supporting surface, the supporting device includes a first supporting plate 9, the first supporting plate 9 and the fixing base 1 are arranged along the first direction, and an adjusting component is provided between the first supporting plate 9 and the fixing base 1, and the adjusting component is used for adjusting the distance between the first supporting plate 9 and the fixing base 1.

Specifically, in this embodiment, a supporting device is further provided on the first supporting surface, where the supporting device is configured to provide a vertical upward supporting force for a steel bar to be polished, so that when the steel bar is polished, the position of the steel bar is prevented from changing, the stability of the steel bar in the mounting seat 5 is reinforced, and polishing and rust removal are more facilitated for the steel bar; the supporting device comprises a first supporting plate 9, the first supporting plate 9 is rectangular, the first supporting plate 9 is parallel to the fixed seat 1 and is arranged along the first direction, an adjusting component is further arranged between the first supporting plate 9 and the fixed seat 1 and is used for adjusting the distance between the first supporting plate 9 and the fixed seat 1, when the size of a reinforcing steel bar is overlarge, the distance between the first supporting plate 9 and the fixed seat 1 can be shortened through the adjusting component, the bottom surface of the reinforcing steel bar to be polished can be abutted to the upper surface of the first supporting plate 9, and similarly, when the size of the reinforcing steel bar is too small, the distance between the first supporting plate 9 and the fixed seat 1 can be enlarged through the adjusting component until the upper surface of the first supporting plate 9 is stopped when the upper surface of the first supporting plate 9 contacts with the lower surface of the reinforcing steel bar to be polished.

In a preferred embodiment, the adjusting assembly has a driving member and a telescopic member that are matched with each other, and the driving member can drive the telescopic member to telescope in the first direction, so as to increase or decrease the distance between the first support plate 9 and the fixing base 1.

Specifically, in this embodiment, please see fig. 1 in detail, the adjusting assembly includes a driving member 14 and a telescopic member that are matched with each other, where the driving member 14 can drive the telescopic member to stretch along the first direction, so as to increase or decrease the distance between the first supporting plate 9 and the fixing base 1, so as to stably support the reinforcing steel bar, and prevent the position of the reinforcing steel bar from changing when the reinforcing steel bar is polished.

In a preferred embodiment, the telescopic members comprise a first telescopic unit and a second telescopic unit which are arranged along the third direction, the first telescopic unit comprises a first telescopic link 15 and a second telescopic link 16, the second telescopic unit comprises a third telescopic link 17 and a fourth telescopic link 18, the first telescopic link 15, the second telescopic link 16, the third telescopic link 17 and the fourth telescopic link 18 comprise a plurality of connecting rods which are hinged in sequence, the connecting rods corresponding to the first telescopic link 15 and the second telescopic link 16 are hinged with each other, and the connecting rods corresponding to the third telescopic link 17 and the fourth telescopic link 18 are hinged with each other.

Specifically, referring to fig. 4, the telescopic member includes a first telescopic unit and a second telescopic unit sequentially arranged along the third direction, where the first telescopic unit includes a first telescopic link 15 and a second telescopic link 16, the first telescopic link 15 and the second telescopic link 16 respectively include a plurality of sequentially hinged connection rods, and the connection rods of the first telescopic link 15 are hinged to each other at positions corresponding to the connection rods of the second telescopic link 16; the second telescopic unit comprises a third telescopic connecting rod 17 and a fourth telescopic connecting rod 18, the third telescopic connecting rod 17 and the fourth telescopic connecting rod 18 respectively comprise a plurality of connecting rods which are hinged in sequence, and the connecting rods of the third telescopic connecting rod 17 are hinged with the corresponding positions of the connecting rods of the fourth telescopic connecting rod 18.

In a preferred embodiment, a first connecting rod 10 is connected between the hinge of the connecting rod of the first telescopic connecting rod 15 and the hinge of the connecting rod of the third telescopic connecting rod 17, a second connecting rod 19 is connected between the hinge of the connecting rod of the second telescopic connecting rod 16 and the hinge of the connecting rod of the fourth telescopic connecting rod 18, the first connecting rod 10 and the second connecting rod 19 are arranged along the second direction, and the driving piece 14 is in threaded connection with the first connecting rod 10 and the second connecting rod 19.

Specifically, in this embodiment, as shown in fig. 4, the hinge point of the two connecting rods of the first telescopic link 15 is denoted as a first hinge point, the hinge point of the two connecting rods of the third telescopic link 17 is denoted as a second hinge point, and a first connecting rod 10 is connected between the first hinge point and the second hinge point; the hinge joint of the connecting rod of the second telescopic connecting rod 16 is marked as a third hinge point, the hinge joint of the connecting rod of the fourth telescopic connecting rod 18 is marked as a fourth hinge point, a second connecting rod 19 is connected between the third hinge point and the fourth hinge point, the first connecting rod 10 and the second connecting rod 19 extend along the third direction and are distributed along the second direction, second bolt holes arranged along the second direction are respectively formed in the first connecting rod 10 and the second connecting rod 19, the driving piece 14 is a threaded rod, and the driving piece 14 is respectively connected with the two second bolt holes in a threaded manner and is used for adjusting the distance between the first connecting rod 10 and the second connecting rod 19 along the second direction so as to realize the adjustment of the distance between the first supporting plate 9 and the fixed seat 1.

In a preferred embodiment, the adjusting assembly further includes a first fixing plate 12 connected to the first supporting plate 9, a second fixing plate 13 connected to the fixing base 1, sliding grooves 22 extending along the second direction are formed in the side walls of the first fixing plate 12 and the second fixing plate 13, two ends of the first telescopic connecting rod 15 and two ends of the third telescopic connecting rod 17 are respectively connected with the sliding grooves 22 in a sliding manner, and two ends of the second telescopic connecting rod 16 and two ends of the fourth telescopic connecting rod 18 are respectively hinged to one end, far away from the sliding grooves 22, of the side walls of the first fixing plate 12 and the second fixing plate 13.

Specifically, in this embodiment, as shown in fig. 4, the adjusting assembly further includes a first fixing plate 12 and a second fixing plate 13, where the first fixing plate 12 is connected to the first supporting plate 9, the second fixing plate 13 is connected to the fixing base 1, a chute 22 extending along the second direction is formed on a side wall of the first fixing plate 12 and a side wall of the second fixing plate 13, and two ends of the first telescopic link 15 and the third telescopic link 17 are respectively slidably connected with the chute 22, that is, two ends of the first telescopic link 15 and two ends of the third telescopic link 17 can slide in the chute 22 along the second direction; the two ends of the second telescopic connecting rod 16 and the fourth telescopic connecting rod 18 are respectively hinged with one side of the side wall of the first fixing plate 12 and one side of the side wall of the second fixing plate 13, which are relatively far away from the sliding groove 22.

In a preferred embodiment, a third connecting rod 20 is connected to the first telescopic link 15 at its two ends opposite to the two ends of the third telescopic link 17, and a fourth connecting rod 21 is connected to the second telescopic link 16 at its two ends opposite to the two ends of the fourth telescopic link 18.

Specifically, in this embodiment, a third connecting rod 20 is connected between two end points of the first telescopic link 15 and two end points of the third telescopic link 17, and a fourth connecting rod 21 is connected between two end points of the second telescopic link 16 and two end points of the fourth telescopic link 18, wherein a fourth connecting rod 21 is connected between two end points of the first telescopic link 15 and two end points of the third telescopic link 17 respectively, and the fourth connecting rod 21 is used for increasing the stability of the hinge connection between two end points of the second telescopic link 16 and two end points of the fourth telescopic link 18 respectively and the first fixing plate 12 and the second fixing plate 13.

In the use, when needing to increase or reduce the distance between first backup pad with the fixing base, only need use the driving piece, realize first joint pole with the second joint pole between in the second direction the distance reduces or increases relatively, just can realize adjusting first backup pad with the distance between the fixing base.

This embodiment of the application provides a reinforcing bar clamping device, in the use, the reinforcing bar that will wait to polish is put into the mount pad inside through first opening, and adjust the locking bolt, the reinforcing bar that will wait to polish is fixed inside the mount pad, then adjust the distance between first backup pad and the fixing base, make the upper surface of first backup pad contact with the lower surface of the reinforcing bar that waits to polish, thereby provide a vertical ascending holding power for the reinforcing bar that waits to polish, in order to guarantee the stability of reinforcing bar in the rust cleaning process of polishing, after finishing wherein one side to the reinforcing bar, can make the dwang rotate through the twist grip, thereby the reinforcing bar also can take place corresponding rotation, after finishing a section to the reinforcing bar, can remove at the horizontal direction through realizing the dwang, realize polishing the reinforcing bar at different positions.

Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present utility model; such modifications, variations and combinations, or the direct application of the concepts and aspects of the utility model in other applications without modification, are intended to be within the scope of this application.

Claims (10)

1. A rebar clamping apparatus comprising:

the fixing seat (1) is provided with a first supporting surface;

the support device comprises at least two support rods (2), wherein all the support rods (2) are arranged on the first support surface along a first direction, and all the support rods (2) are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction; one end, far away from the fixed seat (1), of all the support rods (2) jointly forms a second support surface;

the clamping device is arranged on the second supporting surface and comprises a rotating rod (3) extending along the second direction, one end of the rotating rod (3) is provided with a clamping piece, the clamping piece is used for clamping a steel bar to be polished, one end, far away from the first supporting surface, of each supporting rod (2) is provided with a sleeve (4) respectively, and the rotating rod (3) penetrates through the sleeve (4) and is rotatably connected with the sleeve (4).

2. The steel bar clamping device according to claim 1, wherein the clamping piece comprises a mounting seat (5) arranged at one end of the rotating rod (3), a first opening (6) is formed at one end, far away from the rotating rod (3), of the mounting seat (5), a first locking space is formed in the mounting seat (5), locking pieces are respectively arranged on the mounting seat (5) along the first direction and the third direction, the locking pieces are provided with locking ends, and the third direction is perpendicular to the first direction.

3. The steel bar clamping device according to claim 2, wherein the locking piece comprises two locking bolts (7) which are respectively arranged along the first direction and the third direction, two first bolt holes are respectively arranged on the mounting seat (5) along the first direction and the third direction, and locking ends of four locking bolts (7) respectively extend into the first locking space through the first bolt holes.

4. A bar clamping device according to claim 3, characterized in that the end of the rotating rod (3) remote from the mounting base (5) is fixedly connected with a rotating handle (8).

5. The rebar clamping device according to claim 4, wherein a support device is further provided on the first support surface, the support device comprising a first support plate (9), the first support plate (9) and the fixing seat (1) being arranged along the first direction, an adjustment assembly being provided between the first support plate (9) and the fixing seat (1), the adjustment assembly being used for adjusting the distance between the first support plate (9) and the fixing seat (1).

6. The bar clamping device according to claim 5, characterized in that the adjusting assembly has a driving member (14) and a telescopic member cooperating with each other, the driving member (14) being capable of driving the telescopic member to telescope in the first direction so as to increase or decrease the distance between the first support plate (9) and the fixing base (1).

7. The bar clamp according to claim 6, characterized in that the telescopic members comprise a first telescopic unit and a second telescopic unit arranged along the third direction, the first telescopic unit comprises a first telescopic link (15) and a second telescopic link (16), the second telescopic unit comprises a third telescopic link (17) and a fourth telescopic link (18), the first telescopic link (15), the second telescopic link (16), the third telescopic link (17) and the fourth telescopic link (18) comprise a plurality of connecting rods hinged in sequence, the connecting rods corresponding to the first telescopic link (15) and the second telescopic link (16) are hinged with each other, and the connecting rods corresponding to the third telescopic link (17) and the fourth telescopic link (18) are hinged with each other.

8. The bar clamp according to claim 7, characterized in that a first articulation bar (10) is connected between the articulation of the connecting bars of the first telescopic link (15) and the articulation of the connecting bars of the third telescopic link (17), a second articulation bar (19) is connected between the articulation of the connecting bars of the second telescopic link (16) and the articulation of the connecting bars of the fourth telescopic link (18), the first articulation bar (10) and the second articulation bar (19) are aligned in the second direction, and the driving element (14) is in threaded connection with the first articulation bar (10) and the second articulation bar (19).

9. The steel bar clamping device according to claim 8, wherein the adjusting assembly further comprises a first fixing plate (12) connected with the first supporting plate (9), a second fixing plate (13) connected with the fixing base (1), sliding grooves (22) extending along the second direction are formed in the side walls of the first fixing plate (12) and the second fixing plate (13), two ends of the first telescopic connecting rod (15) and two ends of the third telescopic connecting rod (17) are respectively connected with the sliding grooves (22) in a sliding mode, and two ends of the second telescopic connecting rod (16) and two ends of the fourth telescopic connecting rod (18) are respectively hinged to one end, away from the sliding grooves (22), of the side walls of the first fixing plate (12) and the second fixing plate (13) in a hinged mode.

10. The bar clamp according to claim 9, characterized in that the first telescopic link (15) has a third connecting rod (20) connected at its two ends opposite to the third telescopic link (17), and the second telescopic link (16) has a fourth connecting rod (21) connected at its two ends opposite to the fourth telescopic link (18).