Assembly tool based on novel pipe clamp

Abstract

The utility model discloses an assembly tool based on a novel pipe clamp. The device comprises a bottom plate, a pipe clamp bearing seat arranged on the bottom plate, and a first bending assembly which is arranged above the front side of the pipe clamp bearing seat and is used for bending one end of a novel pipe clamp backwards and downwards to cover the surface of a pipe, the second bending assembly is arranged on the rear side of the pipe clamp bearing seat and enables the other end of the novel pipe clamp to be bent forwards and upwards to achieve buckling of a buckling piece of the novel pipe clamp to complete assembling. The first profiling positioning seat is arranged on the left side of the pipe clamp bearing seat and used for conducting profiling positioning on the left side of the pipe; and the second profiling positioning seat is arranged on the right side of the pipe clamp bearing seat and used for conducting profiling positioning on the right side of the pipe. According to the utility model, the assembling reliability of the novel pipe clamp on the pipe can be ensured, and the stability of the pipe during positioning can be ensured, so that the assembling precision of the novel pipe clamp is ensured, and the universality of the assembling tool can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical assembly technical field, especially, relate to an assembly tool based on new type pipe clamp. BACKGROUND

[0002] A large number of water pipes are used in the automobile cooling system, and the water pipes present various curved shapes, and in order to fix the water pipes, a fixing support is usually arranged on the water pipe, at present, the common fixing support arrangement mode includes welding and using a clamping piece to connect, but the welding connection mode usually affects the water pipe, so the most commonly used mode is to use the clamping piece to connect, and for the clamping piece structure, the clamping ears on both sides of the clamping piece need to be bent to ensure the stability of the connection, and the common bending clamping ear mode is to manually assemble using a needle-nose pliers, which is time-consuming and laborious, so how to improve the assembly efficiency is a technical problem to be solved at present.

[0003] In order to reduce the working strength and improve the working efficiency, in the prior art, a tool is arranged to complete the assembly action of the clamping piece on the water pipe, for example, a kind of assembly tool based on new type pipe clamp is disclosed in Chinese patent authorized publication No.CN105014357B, the pipe clamp assembly tool includes a bottom plate, the bottom plate is provided with a lower seat for supporting and placing the pipe clamp, when the pipe clamp is not punched, the pipe line is placed in the pipe clamp in the open state, the upper seat is provided above the lower seat, the cylinder is supported and connected on the bottom plate through the support, the upper seat is connected by the cylinder through the pressing rod, the switch of control gas circuit is pressed down, the cylinder operates to drive the upper seat, and the pipe clamp is pressed down to make the pipe clamp connected to the pipe line, in the above-mentioned scheme, only one end of the pipe clamp is pressed down to make the two ends of the pipe clamp tightly pressed, and the assembly action of the pipe clamp is completed, the two ends of the pipe clamp are only tightly pressed together, and there may be a problem of not being firmly buckled, or a positioning pin may be arranged at the end of the pipe clamp to make the end of the pipe clamp tightly pressed and buckled, and the arrangement of the positioning pin will increase the additional process, increase the production cost and reduce the production efficiency.

[0004] In order to solve the above-mentioned problems, a new type pipe clamp is designed, and a corresponding assembly tool is designed for the new type pipe clamp.

[0005] Therefore, it is necessary to provide an assembly tool based on a new type pipe clamp to solve the above-mentioned technical problems. CONTENT OF UTILITY MODEL

[0006] The main purpose of the utility model is to provide an assembly tool based on a new type pipe clamp, which can ensure the assembly reliability of the new type pipe clamp on the pipe material, ensure the stability of the pipe material positioning, ensure the precision of the new type pipe clamp assembly, and improve the versatility of the assembly tool.

[0007] The utility model discloses a kind of assembly fixtures based on new pipe clamp, it includes bottom plate, the pipe clamp bearing seat of being set on the bottom plate, the first bending assembly of being set on the front side of the pipe clamp bearing seat upper side and bending the new pipe clamp one end to the surface of pipe material and being covered in backward lower side, the second bending assembly of being set on the rear side of the pipe clamp bearing seat and bending the new pipe clamp other end to front upper side and realizing the buckling piece buckling of new pipe clamp and the assembly of being completed, first profiling positioning seat of being set on the left side of the pipe clamp bearing seat and profiling positioning to pipe material left side and second profiling positioning seat of being set on the right side of the pipe clamp bearing seat and profiling positioning to pipe material right side, the first bending assembly and the second bending assembly are set opposite and located in front and back of pipe material two sides.

[0008] Further, the upper end of the pipe clamp bearing seat is provided with a first accommodating groove for positioning the new pipe clamp, and a second accommodating groove for positioning the pipe material is arranged at the left and right ends of the first accommodating groove. The first accommodating groove is profiled with the new pipe clamp, and the second accommodating groove is profiled with the pipe material.

[0009] Further, the first bending assembly includes a fixing seat arranged on the front side of the pipe clamp bearing seat, a pressing rod rotatably arranged on the fixing seat through a first support shaft at the front end and extending above the first accommodating groove at the rear end, a first driving handle rotatably arranged on the fixing seat through a second support shaft, and a pair of connecting rods rotatably arranged on the first driving handle through a third support shaft. The middle part of the pressing rod is rotatably arranged at the lower end of the connecting rod through a fourth support shaft, and the pressing rod is located above the fixing seat.

[0010] Further, the two swing arms of the first driving handle are located on the left and right sides of the pipe clamp bearing seat respectively, the connecting rod is located between the two swing arms and is rotatably arranged at the middle part of the swing arm, and the pressing rod is rotatably arranged at the lower end of the connecting rod and located between the two connecting rods.

[0011] Further, a pressing block for pressing on the upper surface of the pressing rod is arranged on the pair of connecting rods.

[0012] Further, the second bending assembly includes a pressing block rotatably arranged on the rear side of the pipe clamp bearing seat through a fifth support shaft and a second driving handle for driving the pressing block to rotate forward and backward, and the upper end of the pressing block is provided with a first avoiding groove for the buckling piece of the new pipe clamp to extend into.

[0013] Further, the rear side of the pipe clamp bearing seat is provided with a second avoiding groove for the pressing block to rotate forward and backward, and the first avoiding groove is communicated with the first accommodating groove.

[0014] Furthermore, the first contouring positioning seat is provided with a first positioning groove that conforms to the shape of the pipe, and the second contouring positioning seat is provided with a corresponding second positioning groove that conforms to the shape of the pipe.

[0015] Furthermore, both the first and second contour positioning seats are movably mounted. The movably mounted first and second contour positioning seats are mounted on the base plate via a slider rail and are locked in place by screws.

[0016] Furthermore, a third contour positioning seat for auxiliary positioning of the tube is added to the side of the first contour positioning seat and / or the second contour positioning seat, and the third contour positioning seat is provided with a third positioning groove that conforms to the shape of the tube.

[0017] Compared with the prior art, the beneficial effects of this utility model's assembly fixture based on a novel pipe clamp are as follows:

[0018] (1) The first bending component bends the first covering part backward and downward to cover the surface of the pipe. At the same time, the fastening piece at the end of the first covering part extends into the first opening on the second covering part. Then, the second bending component bends the end of the second covering part forward and upward to cover the rear surface of the pipe. At the same time, the second bending component bends the fastening piece and presses the fastening piece against the back of the second covering part, thereby realizing the action of fastening and assembling the new pipe clamp on the pipe, which can ensure the assembly reliability of the new pipe clamp on the pipe.

[0019] (2) One or more third contour positioning seats are added to the side of the first contour positioning seat and / or the second contour positioning seat to assist in positioning the pipe. Each third contour positioning seat is provided with one or more third positioning grooves that conform to the shape of the pipe. Even if the pipe has a complex degree of curvature, the stability of the pipe during positioning can be guaranteed, thereby ensuring the assembly accuracy of the new pipe clamp. Both the first and second contour positioning seats are movably set, which can position pipes with different degrees of curvature. They can also be adapted to pipes with different diameters or different degrees of curvature by replacing different first, second, and third contour positioning seats. Therefore, the assembly fixture provided by this solution can be adapted to pipes with different degrees of curvature and pipes with different diameters, which can improve the versatility of the assembly fixture. [Attached Image Description]

[0020] Figure 1 This is a three-dimensional structural diagram of the assembly tooling based on the novel pipe clamp in an embodiment of the present utility model, when the novel pipe clamp is assembled on a pipe.

[0021] Figure 2 This is a three-dimensional structural diagram of the assembly fixture based on the novel pipe clamp according to an embodiment of the present utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the pipe clamp support, the first bending assembly, and the second bending assembly according to an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the novel pipe clamp before assembly in an embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the novel pipe clamp after bending and assembly according to an embodiment of this utility model;

[0025] The numbers in the diagram represent:

[0026] 100 - Assembly fixture based on novel pipe clamps;

[0027] 200-New type of pipe clamp; 201-First covering part; 202-Second covering part; 203-Extension mounting part; 2031-Positioning hole; 204-First opening; 205-Snap-fit ​​piece; 300-Pipe material;

[0028] 1-Base plate;

[0029] 2-Pipe clamp support, 21-First receiving groove, 22-Second receiving groove, 23-Second clearance groove;

[0030] 3-First bending assembly, 31-Fixed seat, 32-Pressure rod, 33-First drive handle, 331-Swing arm, 34-Connecting rod, 35-First support shaft, 36-Second support shaft, 37-Third support shaft, 39-Pressure block;

[0031] 4-Second bending assembly, 41-Clamping block, 411-First clearance groove, 42-Second drive handle, 43-Fifth support shaft;

[0032] 5-First contour positioning seat, 51-First positioning groove;

[0033] 6-Second contour positioning seat, 61-Second positioning groove;

[0034] 7-Third contour positioning seat, 71-Third positioning groove.

Detailed Implementation Methods

[0035] Please refer to Figures 1-5This embodiment is an assembly fixture 100 based on a novel pipe clamp. The assembly fixture 100 based on a novel pipe clamp includes a base plate 1, a pipe clamp support 2 disposed on the base plate 1, a first bending component 3 disposed above the front side of the pipe clamp support 2 and bending one end of the novel pipe clamp 200 backward and downward to cover the surface of the pipe 300, a second bending component 4 disposed on the rear side of the pipe clamp support 2 and bending the other end of the novel pipe clamp 200 forward and upward to achieve the assembly of the novel pipe clamp 200, a first contour positioning seat 5 disposed on the left side of the pipe clamp support 2 and contour positioning the left side of the pipe, and a second contour positioning seat 6 disposed on the right side of the pipe clamp support 2 and contour positioning the right side of the pipe. The first bending component 3 and the second bending component 4 are arranged opposite each other and located on the front and rear sides of the pipe 300.

[0036] A first receiving groove 21 for positioning the new pipe clamp 200 is provided at the middle of the upper end of the pipe clamp support 2. The first receiving groove 21 is shaped to conform to the new pipe clamp 200 and extends in the front-to-back direction. Second receiving grooves 22 for positioning the pipe 300 are provided at both ends of the first receiving groove 21. The second receiving grooves 22 are shaped to conform to the pipe 300 and extend in the left-to-right direction. The number of second receiving grooves 22 can be one or more; there is no limit to the number. When there are multiple second receiving grooves 22, the new pipe clamp 200 can be assembled on multiple pipes 300 simultaneously. Positioning the first receiving groove 21 in the middle and providing second receiving grooves 22 for positioning the pipe 300 at both ends ensures the stability of the left-to-right positioning of the pipe 300, preventing the pipe 300 from shaking and affecting the assembly of the new pipe clamp 200, thus further ensuring the stability of the new pipe clamp 200 assembly. When assembling the new pipe clamp 200, the new pipe clamp 200 needs to be placed into the first receiving groove 21 first, and then the pipe 300 is placed into the second receiving groove 22. Therefore, the first receiving groove 21 is located below the second receiving groove 22, and the height difference between the first receiving groove 21 and the second receiving groove 22 is the thickness of the new pipe clamp 200. This arrangement is so that when the pipe 300 is placed into the second receiving groove 22, the new pipe clamp 200 can fit tightly against the lower surface of the pipe 300.

[0037] The new pipe clamp 200 includes a first covering part 201, a second covering part 202 and an extension mounting part 203 connected in sequence. The extension mounting part 203 is provided with a positioning hole 2031 to facilitate fixing the pipe 300 in other positions. When the new pipe clamp 200 is not installed, the first covering part 201 and the second covering part 202 are set at a certain angle. After the new pipe clamp 200 is placed in the second receiving groove 22, the second covering part 202 covers the lower surface of the pipe 300. After the new pipe clamp 200 is installed, the first covering part 201 covers the upper surface of the pipe 300. The first covering part 201 and the second covering part 202 are connected in an arc shape and cover the front surface of the pipe 300. The end of the second covering part 202 is bent upward and covers the rear surface of the pipe 300. In order to improve the firmness of the assembly between the first covering part 201 and the second covering part 202, a first opening 204 is provided at the end of the second covering part 202. Correspondingly, a fastening piece 205 extending into the first opening 204 is provided at the end of the first covering part 201. The assembly fixture provided in this solution includes a first bending assembly 3 for bending the first covering part 201 backward and downward to cover the surface of the pipe 300. At the same time, the fastening piece 205 at the end of the first covering part 201 extends into the first opening 204 on the second covering part 202. Then, the second bending assembly 4 bends the end of the second covering part 202 forward and upward to cover the rear surface of the pipe 300. Simultaneously, the second bending assembly 4 bends the fastening piece 205 and presses it against the back of the second covering part 202, thereby realizing the action of fastening the new pipe clamp 200 onto the pipe 300, which can ensure the reliability of the new pipe clamp 200 being assembled onto the pipe 300.

[0038] The first bending assembly 3 includes a fixed seat 31 disposed on the front side of the pipe clamp bearing seat 2, a clamping rod 32 whose front end is rotatably disposed on the fixed seat 31 via a first support shaft 35 and whose rear end extends above the first receiving groove 21, a first drive handle 33 rotatably disposed on the fixed seat 31 via a second support shaft 36, and a pair of connecting rods 34 rotatably disposed on the first drive handle 33 via a third support shaft 37. The middle part of the clamping rod 32 is rotatably disposed at the lower end of the connecting rods 34 via a fourth support shaft, and the clamping rod 32 is located above the fixed seat 31.

[0039] The two swing arms 331 of the first drive handle 33 are located on the left and right sides of the pipe clamp support 2, respectively. A pair of connecting rods 34 are located between the two swing arms 331 and are rotatably disposed in the middle of the swing arms 331. The clamping rod 32 is rotatably disposed at the lower end of the pair of connecting rods 34 and is located between the two connecting rods 34.

[0040] The first drive handle 33 is located on the front side of the pipe clamp support 2, and the first drive handle 33 and the front side wall of the pipe clamp support 2 form a clearance for the first drive handle 33 to swing back and forth. At the same time, the front side wall of the pipe clamp support 2 can also limit the forward swing of the first drive handle 33 to prevent the pressure rod 32 from over-pressuring the new pipe clamp 200.

[0041] The bending principle of the first bending member 3 is as follows: When the first drive handle 33 is pressed forward, the upper end of the connecting rod 34 swings forward and downward, and the lower end lifts backward and upward, thereby driving the clamping rod 32 to lift up a certain angle and move to the top of the first receiving groove 21. At this time, the front end of the clamping rod 32 rotates around the first support shaft 35 and the rear end lifts up and moves an angle. The lifting angle is to facilitate the placement of the new pipe clamp 200. After the new pipe clamp 200 is positioned in the first receiving groove 21, the pipe 300 is positioned in the second receiving groove 22. When the first drive handle 33 is bent backward, the upper end of the connecting rod 34 swings backward and upward, and the lower end descends forward and downward, thereby driving the clamping rod 32 to move backward and downward, bending the first covering part 201 of the new pipe clamp 200 backward and downward to cover the surface of the pipe 300. To prevent the clamping rod 32 from wobbling back and forth during the bending process, a clamping block 39 is provided on a pair of connecting rods 34 to hold the upper surface of the clamping rod 32. When the clamping rod 32 is bent and pressed against the surface of the new pipe clamp 200, the clamping rod 32 is in a horizontal state, and the lower surface of the clamping block 39 completely abuts against the lower surface of the clamping rod 32, which can prevent the clamping rod 32 from wobbling back and forth at the moment the bending is completed.

[0042] The second bending assembly 4 includes a clamping block 41 rotatably mounted on the rear side of the pipe clamp support 2 via a fifth support shaft 43, and a second drive handle 42 that drives the clamping block 41 to rotate back and forth. The upper end of the clamping block 41 is provided with a first clearance groove 411 into which the fastening piece 205 of the new pipe clamp 200 extends. After the first covering part 201 is bent, the fastening piece 205 at the end of the first covering part 201 will extend into the first clearance groove 411. The second drive handle 42 drives the clamping block 41 to rotate forward, and the groove wall of the first clearance groove 411 will cause the fastening piece 205 to bend and press against the back of the second covering part 202, thereby realizing the action of fastening and assembling the new pipe clamp 200 onto the pipe 300.

[0043] The rear side of the pipe clamp support 2 is provided with a second clearance groove 23 for the clamping block 41 to rotate back and forth. The first clearance groove 23 is connected to the first receiving groove 21 to facilitate the clamping block 41 to bend the new pipe clamp 200 upward.

[0044] The first contour positioning seat 5 is provided with one or more first positioning grooves 51 that conform to the shape of the pipe 300. Correspondingly, the second contour positioning seat 6 is provided with one or more second positioning grooves 61 that conform to the shape of the pipe 300. The number of first positioning grooves 51 and second positioning grooves 61 is not limited here. When the number of first positioning grooves 51 and second positioning grooves 61 is set to multiple, the new pipe clamps 200 can be assembled on multiple pipes 300 at the same time. This can be set according to the actual situation.

[0045] To accommodate pipes 300 with different bending shapes, both the first contouring positioning seat 5 and the second contouring positioning seat 6 are movably mounted. These movable seats are mounted on the base plate 1 via sliding rails and secured with screws. To adjust their positions, the screws are loosened, and after adjustment, they are tightened again. The movable seats 5 and 6, mounted on the base plate 1 via sliding rails, allow for automatic position adjustment via a servo motor. This enables one-button switching in the control system when changing pipes 300, allowing for positioning of pipes 300 with different bending degrees and improving the versatility of the assembly fixture.

[0046] Since the pipe 300 may exhibit different orientations, to more stably position the pipe 300, one or more third contour positioning seats 7 can be added to the sides of the first contour positioning seat 5 and / or the second contour positioning seat 6 to assist in positioning the pipe. Each third contour positioning seat 7 is provided with one or more third positioning grooves 71 that conform to the shape of the pipe 300. In this embodiment, because the right-side bend of the pipe 300 is complex, two third contour positioning seats 7 are added to the side of the second contour positioning seat 6 to ensure the stability of the pipe 300's positioning, thereby ensuring the assembly accuracy of the new pipe clamp 200. Different first contour positioning seats 5, second contour positioning seats 6, and third contour positioning seats 7 can also be used to adapt to pipes 300 of different diameters or degrees of curvature, improving the versatility of the assembly tooling.

[0047] In other embodiments, one or more third contour positioning seats 7 can be added to the side of the first contour positioning seat 5 to ensure the stability of the positioning of the pipe 300 and thus ensure the assembly accuracy of the new pipe clamp 200.

[0048] In another embodiment, one or more third contour positioning seats 7 can be added to the sides of both the first contour positioning seat 5 and the second contour positioning seat 6 to ensure the stability of the positioning of the pipe 300, thereby ensuring the assembly accuracy of the new pipe clamp 200.

[0049] When using the assembly fixture 100 based on the novel pipe clamp provided in this solution, pressing the first drive handle 33 forward causes the upper end of the connecting rod 34 to swing forward and downward, while the lower end lifts backward and upward. This causes the clamping rod 32 to lift at a certain angle and move above the first receiving groove 21. At this time, the front end of the clamping rod 32 rotates around the first support shaft 35, and the rear end lifts upward and moves at an angle to facilitate the placement of the novel pipe clamp 200. After positioning the novel pipe clamp 200 in the first receiving groove 21, the pipe 300 is then positioned in the second receiving groove 22. When the first drive handle 33 is pulled backward, the upper end of the connecting rod 34 swings backward and upward, while the lower end descends forward and downward. This causes the clamping rod 32 to move backward and downward, bending the first covering part 201 of the novel pipe clamp 200 backward and downward to cover it. On the surface of the pipe 300, the fastening piece 205 at the end of the first covering part 201 extends into the first opening 204 on the second covering part 202. Then, the second drive handle 42 drives the clamping block 41 to rotate forward. The groove wall of the first clearance groove 411 will cause the fastening piece 205 to bend and press against the back of the second covering part 202, realizing the action of fastening the new pipe clamp 200 onto the pipe 300. After the assembly is completed, the second drive handle 42 drives the clamping block 41 to reset backward and presses the first drive handle 33 forward. The upper end of the connecting rod 34 swings forward and downward, and the lower end lifts backward and upward, thereby driving the clamping rod 32 to lift a certain angle and move to the top of the first receiving groove 21. The pipe 300 is taken out, and then the next new pipe clamp 200 and pipe 300 are put in again to continue the next round of assembly.

[0050] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. An assembly fixture based on a novel pipe clamp, characterized in that: It includes a base plate, a pipe clamp support seat disposed on the base plate, a first bending assembly disposed above the front side of the pipe clamp support seat and bending one end of the new pipe clamp downward and backward to cover the surface of the pipe, a second bending assembly disposed on the rear side of the pipe clamp support seat and bending the other end of the new pipe clamp upward and forward to achieve fastening of the fastening piece of the new pipe clamp to complete the assembly, a first contour positioning seat disposed on the left side of the pipe clamp support seat and contour positioning the left side of the pipe, and a second contour positioning seat disposed on the right side of the pipe clamp support seat and contour positioning the right side of the pipe. The first bending assembly and the second bending assembly are disposed opposite each other and located on the front and rear sides of the pipe.

2. The assembly fixture based on the novel pipe clamp as described in claim 1, characterized in that: The upper end of the pipe clamp support is provided with a first receiving groove for positioning the new type of pipe clamp, and a second receiving groove for positioning the pipe is provided at both the left and right ends of the first receiving groove. The first receiving groove is configured to conform to the shape of the new type of pipe clamp, and the second receiving groove is configured to conform to the shape of the pipe.

3. The assembly fixture based on the novel pipe clamp as described in claim 2, characterized in that: The first bending assembly includes a fixed seat disposed on the front side of the pipe clamp support, a clamping rod whose front end is rotatably disposed on the fixed seat via a first support shaft and whose rear end extends above the first receiving groove, a first drive handle rotatably disposed on the fixed seat via a second support shaft, and a pair of connecting rods rotatably disposed on the first drive handle via a third support shaft. The middle part of the clamping rod is rotatably disposed on the lower end of the connecting rods via a fourth support shaft, and the clamping rod is located above the fixed seat.

4. The assembly fixture based on the novel pipe clamp as described in claim 3, characterized in that: The two swing arms of the first drive handle are located on the left and right sides of the pipe clamp support, respectively. The connecting rod is located between the two swing arms and is rotatably disposed in the middle of the swing arms. The clamping rod is rotatably disposed at the lower end of the connecting rod and is located between the two connecting rods.

5. The assembly fixture based on the novel pipe clamp as described in claim 3, characterized in that: A clamping block for pressing against the upper surface of the clamping rod is provided on both of the connecting rods.

6. The assembly fixture based on the novel pipe clamp as described in claim 2, characterized in that: The second bending assembly includes a clamping block rotatably disposed on the rear side of the pipe clamp bearing seat via a fifth support shaft and a second drive handle for driving the clamping block to rotate back and forth. The upper end of the clamping block is provided with a first clearance groove into which the fastening piece of the new type of pipe clamp extends.

7. An assembly fixture based on a novel pipe clamp as described in claim 6, characterized in that: The rear side of the pipe clamp support is provided with a second clearance groove for the clamping block to rotate back and forth, and the first clearance groove is connected to the first receiving groove.

8. The assembly fixture based on the novel pipe clamp as described in claim 1, characterized in that: The first contour positioning seat is provided with a first positioning groove that conforms to the shape of the pipe, and the second contour positioning seat is provided with a corresponding second positioning groove that conforms to the shape of the pipe.

9. An assembly fixture based on a novel pipe clamp as described in claim 1, characterized in that: Both the first and second contour positioning seats are movably mounted. The movably mounted first and second contour positioning seats are mounted on the base plate via a slider rail and are locked in place by screws.

10. An assembly fixture based on a novel pipe clamp as described in claim 1, characterized in that: A third contour positioning seat for auxiliary positioning of the tube is added to the side of the first contour positioning seat and / or the second contour positioning seat. The third contour positioning seat is provided with a third positioning groove that conforms to the shape of the tube.

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